Reverence in prayer and supplication to God, sitting to testify on the prayer rug, a portrait of a young Saudi Arabian Gulf man wearing the Ihram dress and performing the obligatory prayer, performing the rituals of Hajj and Umrah, drawing closer to God b
Hajj season 2023, close-up portrait of a Saudi Arabian Gulf Muslim couple wearing Ihram clothing holding an umbrella protecting from the rain, the fifth pillar of Islam, gray background, full-length body image.
A Saudi Arabian Gulf man wearing the Ihram dress and holding a book of dhikr in his hand, reading supplications and seeking forgiveness, praying and supplicating to God, performing Hajj and Umrah, worshiping and getting closer to God, remembrances and sup
Wearing a white identification card, preparing to travel and going to perform Hajj in Makkah Al-Mukarramah, a young Saudi Arabian Gulf Muslim wearing Ihram clothes and holding a travel bag, Hajj season 2023, performing the rituals of Hajj and Umrah, Islam
Prayer, worship, and closeness to God, an Indonesian Muslim woman raising her hand up, wearing the Ihram clothing for women, traveling to Mecca to perform the rituals of Hajj and Umrah, the Hajj season 2023, the virtue of Umrah in Ramadan, Saudi Airlines
Portrait of a Saudi Arabian Gulf man wearing the Ihram dress and dragging his travel bag with his hand, preparing to perform Hajj and Umrah, worship and getting closer to God, full length picture, full body
Performing the rituals of Hajj and Umrah, wearing the Ihram clothes, a portrait of a Saudi Arabian Gulf Muslim youth holding a rosary in his hand, raising his hands up, supplication, worship, and drawing closer to God, the fifth pillar of Islam, Hajj seas
Performing the rituals of Hajj and Umrah in the Hajj season 2023, sitting on the prayer rug and drawing closer to God by performing acts of worship, a portrait of a Saudi Arab Gulf woman wearing prayer clothes and performing the obligatory prayer, gray ba
Headache and headache, feeling sick, a portrait of an elderly Muslim Arab Saudi Gulf man wearing ihram clothes and placing his hand on his head, facial and hand gestures indicating pain and fatigue, the fifth pillar of Islam, Hajj season 2023, blue backgr
Increasing acts of worship in the blessed month, the concept of intimacy between spouses, visiting the Sacred House of God in Makkah Al-Mukarramah, performing Hajj and Umrah in the Hajj season 2023, a portrait from behind of a Saudi Arabian Gulf couple we
Performing Hajj and Umrah rituals, a portrait of an elderly Saudi Arabian Gulf Muslim man wearing Ihram clothes and holding a small gray umbrella in his hand, Hajj season 2023, the fifth pillar of Islam, blue background
The concept of time management, a portrait of an elderly Muslim Arab Saudi Gulf man wearing ihram clothes and using an electronic wristwatch, knowing and setting the time, the Hajj season 2023, performing the rituals of Hajj and Umrah, the fifth pillar of
Mobile phone applications and programs for Hajj and Umrah instructions, a portrait of a smiling elderly Saudi Arabian Gulf man wearing Ihram clothes displaying a blank black mobile screen, booking to visit the Holy House of God online via the Internet, the electronic guide for the Hajj and Umrah, full body photo, gray background
Traveling to Mecca to perform the rituals of Hajj and Umrah, electronic reservation for Hajj and Umrah campaigns using mobile phones, wearing Ihram clothes, a Sudanese Arab man using a mobile phone and sitting on the plane, Hajj season 2023, the virtue of
Walking and going to visit the Holy House of God, portrait of an elderly Saudi Gulf Arab man wearing Ihram clothes and holding a red suitcase, performing the Hajj and Umrah rituals, full length body, gray background, sensitive use, sensitive content
Supplication, worship, and drawing closer to God, a portrait of a Saudi Arabian Gulf pilgrim wearing ihram clothes, raising his hands up, performing Hajj and Umrah rituals, the fifth pillar of Islam, full-length body, gray background, sensitive use, sensitive content
Sitting on the prayer rug, praying, worshiping, and getting closer to God, performing the rituals of Hajj and Umrah, a close-up portrait of the hands of a young Saudi Arabian Gulf Muslim woman wearing the Ihram clothes and raising her hands to pray, Hajj
Wearing Ihram clothes, using the guide application service to perform the rituals of Hajj and Umrah, a portrait of an elderly Muslim Gulf Arab Saudi man using a mobile phone, the electronic Hajj guide application, the fifth pillar of Islam, Hajj season 20
An elderly father and his son with facial gestures indicating happiness, a portrait of two Saudi Arabian Gulf men wearing ihram clothes and smiling, performing the rituals of Hajj and Umrah, the fifth pillar of Islam, Hajj season 2023, full-length body im
Gestures and facial expressions indicating happiness by making a video call, using mobile phone applications, a portrait of a Saudi Arabian Gulf Muslim woman wearing ihram clothes sitting on a chair and holding a mobile phone in her hand, the electronic g
An Indonesian Muslim couple wearing Ihram clothes and sitting on the plane, live video broadcast, a man taking memorial photos via mobile phone, traveling to Mecca to perform Hajj and Umrah, Hajj season 2023, performing Umrah in Ramadan, receiving pilgrim
Portrait of a Saudi Arabian Gulf man wearing the Ihram dress and raising his hands to supplicate and supplicate to God, supplication during prayer, performing Hajj and Umrah, worship and getting closer to God, remembrances and supplications
Wearing Ihram clothes, a portrait of an elderly Muslim Gulf Arab Saudi man taking a souvenir photo via mobile phone, live video broadcast, using modern technical devices, performing Hajj and Umrah rituals, the fifth pillar of Islam, Hajj season 2023, blue
A Saudi Arabian Gulf man wears the Ihram dress and eats a date pill, iftar for the fasting person, eating Ramadan hospitality, performing Umrah in the month of Ramadan, performing Hajj, worshiping and getting closer to God, visiting the Sacred House of Go
Prayer and supplication to God, prostration on the prayer rug, portrait of a Saudi Arabian Gulf woman wearing the Ihram dress and performing the obligatory prayer, performing the rituals of Hajj and Umrah, drawing closer to God by performing acts of worsh
Islamic religious flights in the month of Dhu al-Hijjah, Saudi Airlines, close-up of a Saudi Gulf Arab woman sitting in the plane seat filming a video via mobile phone, performing Hajj and Umrah rituals, Hajj season 2023.
An Indonesian couple wearing Ihram clothes and sitting on the plane, Hajj season 2023, online booking for Hajj and Umrah campaigns using mobile phones, using a mobile phone with a blank black screen, traveling to Mecca to perform Hajj and Umrah rituals, p
Getting closer to God by reading the Qur’an, a portrait of a Saudi Arabian Gulf man wearing the Ihram garment sitting on the prayer rug and holding in his hand the book of the Holy Qur’an, reading the book of God, Hajj season 2023, performing the rituals
Prayer and supplication to God, prostration on the prayer rug, a portrait of a Saudi Arabian Gulf man wearing the ihram costume and performing the obligatory prayer, performing the rituals of Hajj and Umrah, drawing closer to God by performing acts of wor
Online booking for Hajj and Umrah campaigns using a mobile phone, a mobile phone with a black screen, an Indonesian Muslim woman wearing the Ihram clothing for women and sitting on the plane, traveling to Mecca to perform the rituals of Hajj and Umrah, Ha
Taking memorial photos via mobile phone, live video broadcast, two Arab men from Sudan sitting on the plane and wearing Ihram clothes, traveling to Mecca to perform Hajj and Umrah, Hajj season 2023, performing Umrah in Ramadan, Saudi Airlines
A Saudi Arabian Gulf man wears the Ihram dress and raises his hands to supplicate and supplicate to God, performing Hajj and Umrah, worshiping and getting closer to God, remembrances and supplications, background of the Kaaba
Portrait of a Saudi Arabian Gulf man wearing the Ihram dress and using a mobile phone, using the guidance application service to perform the rituals of Hajj and Umrah, the Hajj guide application via the mobile phone, the application of supplications and r
Portrait of a Saudi Arabian Gulf man wearing the Ihram dress and performing the obligatory prayer, the tashahhud in prayer, prayer and supplication to God, performing the rituals of Hajj and Umrah, worship and drawing closer to God, remembrances and suppl
Humiliation and asking God Almighty, a picture from behind of a Saudi Arabian Gulf pilgrim wearing the Ihram clothes, supplication and pleading to God with humility, the virtue of Umrah in the blessed month of Ramadan, performing Hajj and Umrah in the mon
Performing the rituals of Hajj and Umrah, a portrait of an elderly Muslim, Arab, Saudi, and Gulf man wearing ihram clothes and raising his hands up, sitting on the prayer rug, supplication, worship, and closeness to God, the fifth pillar of Islam, Hajj se
Supplication, worship, and drawing closer to God, a portrait of an elderly Muslim, Arab, Saudi, and Gulf man wearing ihram clothes, raising his hands up, performing the rituals of Hajj and Umrah, the fifth pillar of Islam, Hajj season 2023, blue backgroun
Performing religious duties and rituals of Hajj and Umrah, a picture from the back of a Saudi Arabian Gulf couple wearing the Ihram garments and praying to God with reverence in front of the honorable Kaaba in the Grand Mosque, a close-up of the golden gu
Making a video call using a mobile phone, using modern technical devices, performing Hajj and Umrah rituals, a close-up portrait of a smiling Saudi Gulf Arab man wearing Ihram clothes, taking a souvenir selfie using the mobile phone, gray background.
Performing the rituals of Hajj and Umrah, Islamic holy places in the Kingdom of Saudi Arabia, two Indonesian pilgrims wearing Ihram clothes, staying overnight in Mina during the Hajj season 2023, the arrival of pilgrims from outside Saudi Arabia, the back
Memorizing and interpreting the Holy Qur’an, a portrait of an elderly Saudi Muslim man sitting on the prayer rug and reciting and reciting the Qur’an, wearing ihram clothes, performing Hajj and Umrah rituals, the fifth pillar of Islam, Hajj season 2023, b
Using the guide application service to perform the rituals of Hajj and Umrah, a portrait of a young Saudi Arabian Gulf Muslim wearing ihram clothes and using a mobile phone, the electronic Hajj guide application, the fifth pillar of Islam, Hajj season 202
Wearing women's ihram clothes, an Indonesian Muslim woman holding a rosary and raising her hand up, traveling to Mecca to perform the rituals of Hajj and Umrah, the Hajj season 2023, worship and closeness to God, supplication, praise and forgiveness, the
Islamism and worship, diligence in obedience in the blessed months, drawing closer to God by reading the Qur’an, a portrait of a young Saudi Arab Gulf man wearing the Ihram dress sitting on a chair and holding in his hand a book of the Holy Qur’an, perfor
Diligence in worship in the blessed months, performing the rituals of Hajj and Umrah, drawing closer to God by reading the Holy Qur’an and contemplating its meanings, a portrait of a Saudi Arab Gulf woman wearing prayer clothes and holding the Holy Qur’an
The concept of intimacy between the spouses, visiting the Sacred House of God in Makkah Al-Mukarramah, performing Hajj and Umrah in the Hajj season 2023, a picture from the back of a Saudi Arabian Khaleeji couple wearing Ihram clothes, Islamic women and w
Diligence in worship, preserving prayer, and drawing closer to God Almighty, answering God's call to Hajj and Umrah, a close-up portrait of a young Saudi Arab Gulf man wearing the Ihram clothes, raising his hands and invoking God with facial gestures indi
Using a mobile phone, a close-up portrait of a Saudi Arabian Gulf Muslim couple wearing ihram clothes, holding an umbrella that protects from rain and a mobile phone with a black screen, the fifth pillar of Islam, gray background, full-length body image.
The concept of charity between the spouses, performing the rituals of Hajj and Umrah in the Hajj season 2023, a Saudi Arabian Gulf couple wearing Ihram clothes and a protective mask and holding an umbrella in their hands, Umrah in the blessed month of Ram
A Saudi Arabian Gulf man wearing the Ihram dress and dragging his travel bag with his hand, preparing to perform the rituals of Hajj and Umrah, worship and getting closer to God, Islamism and worship
Getting closer to God by reading the Holy Qur’an, a portrait of a Saudi Arabian Gulf pilgrim wearing the Ihram dress, sitting on the prayer rug, holding the Holy Qur’an in his hand, reading the Book of God, performing the rituals of Hajj and Umrah, gray background
Documenting happy moments in Mecca, using modern technical devices, performing Hajj and Umrah rituals, a close-up portrait of a Saudi Gulf Arab man wearing Ihram clothing and taking memorial selfies via mobile phone, gray background, sensitive content, sensitive use
Using a mobile phone, communicating and chatting with individuals, making a phone call, two Arab men from Sudan wearing Ihram clothes and sitting on the plane, traveling to Mecca to perform Hajj and Umrah, Hajj season 2023, performing Umrah in Ramadan, Sa
Wearing Ihram clothes, using the guide application service to perform the rituals of Hajj and Umrah, a portrait of an elderly Muslim Gulf Arab Saudi man using a mobile tablet, the electronic Hajj guide application, the fifth pillar of Islam, Hajj season 2
A Saudi Arabian Gulf man wears the Ihram dress and performs the obligatory prayer, bowing and prostrating, Tarawih prayer, prayer and supplication to God, performing Hajj and Umrah, worship and getting closer to God, Remembrances and supplications
Drink plenty of fluids to keep the body from dehydration, performing Hajj and Umrah rituals, a close-up portrait of a Saudi Gulf Arab man wearing the Ihram dress drinking fresh water, quenching himself with Zamzam water, gray background, sensitive content, sensitive use
Portrait of a Saudi Arabian Gulf man wearing the Ihram dress and using a mobile phone, using the guidance application service to perform the rituals of Hajj and Umrah, the Hajj guide application via the mobile phone, the application of supplications and r
Reciting verses and getting closer to God, memorizing and interpreting the Holy Qur’an, portrait of a Saudi Arabian Gulf Muslim man wearing Ihram clothing and medical glasses holding a small Qur’an in his hand, performing Hajj and Umrah rituals, the fifth pillar of peace, full-length body portrait, gray background
Prayer and supplication to God, a portrait of an elderly Muslim Arab Saudi Gulf man wearing ihram clothes and raising his hands up, worship and drawing closer to God, performing the rituals of Hajj and Umrah, the fifth pillar of Islam, Hajj season 2023, f
Hajj season 2023 and prevention of the Corona virus, a portrait from behind of a Saudi Arabian Gulf Muslim man wearing Ihram clothes and holding a gray umbrella in his hand, performing Hajj and Umrah rituals, wearing a protective mask, gray background
An Indonesian Muslim woman holding a mobile phone with a blank black screen, a group of pilgrims from abroad sitting in the cabin of the plane, electronic reservation for Hajj and Umrah campaigns using mobile phones, the Hajj season 2023, traveling to Mec
Portrait of a Saudi Arabian Gulf man wearing the Ihram dress and raising his hands to pray and supplicate to God, performing Hajj and Umrah, worship and getting closer to God, prayer and glorification, remembrances and supplications
Supplication, worship, and closeness to God, traveling to Mecca to perform the rituals of Hajj and Umrah, a Muslim Indonesian couple wearing Ihram clothes and raising their hands up, sitting on the plane, Hajj season 2023, the virtue of Umrah in the month
Portrait of a Saudi Arabian Gulf man wearing the Ihram dress and dragging his travel bag with joy and happiness, preparing to perform Hajj and Umrah, worship and getting closer to God, full-length picture, full body
Getting closer to God by performing acts of worship and obedience, prostrating on the prayer rug, a portrait of a Saudi Arabian Gulf man wearing the Ihram clothing and performing the obligatory prayer, praying and supplicating to God, performing the ritua
Using a mobile phone, a close-up of a Saudi Arabian Gulf man sitting in the cabin of the plane wearing the Ihram dress, performing the rituals of Hajj and Umrah, Islamic religious flights in the month of Dhul-Hijjah, Saudi Airlines, Hajj season 2023.
Prostrating on the prayer rug, a close-up portrait of a Saudi Arabian Gulf man wearing the Ihram dress and performing the obligatory prayer, praying and supplicating to God, performing the rituals of Hajj and Umrah, drawing closer to God by performing act
Using an electronic wristwatch, a portrait of an elderly Saudi Arabian Gulf Muslim man wearing ihram clothes, knowing and determining the time, the concept of time management, the Hajj season 2023, performing the rituals of Hajj and Umrah, the fifth pilla
Worshiping and getting closer to God, performing Hajj and Umrah rituals, a close-up portrait of a smiling Saudi Gulf Arab young man wearing Ihram clothes and raising his hand up to greet and greet him with an expression of pleasure, gray background, sensitive use, sensitive content
Hajj season 2023, a dark-skinned Arab Sudanese young man wearing ihram clothes and sitting in the seat of the plane, traveling to Mecca to perform the rituals of Hajj and Umrah, the virtue of Umrah in the month of Ramadan, Saudi Airlines
Islamic supplications and remembrances, a close-up from the back of two Saudi Arabian Gulf pilgrims standing in front of the golden door of the honorable Kaaba in the Grand Mosque, supplication and asking for forgiveness, performing Umrah in Ramadan, circ
Performing the rituals of Hajj and Umrah, a portrait of a Saudi Arabian Gulf Muslim young man wearing ihram clothes and pointing his index finger towards something, facial gestures indicating happiness, finger movement and gestures, the fifth pillar of Is
Using mobile applications, a portrait of a Saudi Arabian Gulf Muslim woman wearing ihram clothes and holding a mobile phone in her hand, gestures and facial expressions indicating happiness by making a video call, the electronic guide for Hajj and Umrah,
The electronic guide for Hajj and Umrah pilgrims, displaying mobile phone applications for Hajj and Umrah instructions, a portrait of a Saudi Gulf Arab man wearing the Ihram dress and medical glasses, holding a mobile phone in his hand, performing acts of worship and getting closer to God, full-length body image, gray background.
Wearing Ihram clothes, using the electronic Hajj guide application service, a portrait of a young Saudi Arabian Gulf Muslim using a mobile tablet, the application of instructions to perform the rituals of Hajj and Umrah, the fifth pillar of Islam, Hajj se
Looking at the camera with gestures of pleasure, close-up portrait of a smiling Saudi Arabian Gulf pilgrim wearing ihram clothing visiting the Holy House of God in Mecca, gray background, sensitive use, sensitive content
Getting closer to God by performing the rituals of Hajj and Umrah, a portrait of a young Saudi Arabian Gulf Muslim wearing Ihram clothes and holding a gray umbrella in his hand while browsing a mobile phone, Hajj season 2023, gray background
Performing the rituals of Hajj and Umrah, a portrait of an elderly Muslim, Arab, Saudi, and Gulf man wearing ihram clothes and raising his hands up, sitting on the prayer rug, supplication, worship, and closeness to God, the fifth pillar of Islam, Hajj se
Two Sudanese Arab men, wearing Ihram clothes, a group of foreign pilgrims sitting in the cabin of the plane, reading and reciting the Holy Qur’an, supplication and drawing closer to God, receiving pilgrims from outside Saudi Arabia, traveling to Mecca to
Finger movement and gestures, performing the rituals of Hajj and Umrah, a portrait of a Saudi Arabian Gulf Muslim young man wearing ihram clothes and pointing with his index finger towards something, facial gestures indicating happiness, the fifth pillar
Portrait of a Saudi Arab Gulf youth kissing his father's head, wearing ihram clothes, facial gestures indicating happiness, performing Hajj and Umrah rituals, the fifth pillar of Islam, Hajj season 2023, blue background
The concept of intimacy between spouses, maintaining the five daily prayers, increasing acts of worship in the blessed month, responding to God's call to Hajj and Umrah, a portrait of a smiling Saudi Gulf Arab man and woman wearing Ihram garments preparin
Gestures indicating happiness by making a video call and communicating with family and friends, Hajj season 2023, a portrait of a Saudi Arabian Gulf Muslim woman wearing Ihram clothes holding an umbrella in her hand and making a phone call, performing Haj
Face and hand gestures indicating acceptance, approval and admiration, a portrait of a smiling Saudi Gulf Muslim elderly man wearing ihram clothes and raising the thumb up, performing Hajj and Umrah rituals, the fifth pillar of Islam, Hajj season 2023, bl
Traveling to Mecca to perform the rituals of Hajj and Umrah, the virtue of Umrah in the month of Ramadan, two Arab men from Sudan wearing Ihram clothes and sitting in the seat of the plane, Hajj season 2023, performing Umrah in Ramadan, performing Umrah i
The virtue of Umrah in the blessed month of Ramadan, preserving the five daily prayers, a close-up portrait of a young Saudi Arabian Gulf man wearing the Ihram clothes preparing to perform the rituals of Hajj, visiting the Sacred House of God in Makkah Al
A young man holding a gray umbrella in his hand, getting closer to God and visiting the Sacred House, performing Hajj and Umrah in the Hajj season 2023, a Saudi Arab Gulf couple wearing Ihram clothes, Umrah in the holy month of Ramadan, full-length body i
Preserving the five daily prayers, the virtue of Umrah in the blessed month of Ramadan, drawing closer to God with good deeds, a portrait from behind of a young Saudi Arab Gulf man wearing the Ihram clothes preparing to meet God's call to Hajj and Umrah,
A close-up of a Saudi Arabian Gulf man wearing the Ihram dress and raising his hands to supplicate and supplicate to God, performing Hajj and Umrah, worshiping and getting closer to God, performing Hajj, remembrances and supplications
Using the guide application service to perform the rituals of Hajj and Umrah, a portrait of an elderly Muslim Gulf Arab Saudi man wearing ihram clothes and using a mobile tablet, the electronic Hajj guide application, the fifth pillar of Islam, Hajj seaso
Memorizing and interpreting the Holy Qur’an, a dark-skinned Sudanese Muslim youth who wears Ihram clothes and reads and recites the Qur’an, sitting in the seat of the plane, traveling to Mecca to perform Hajj and Umrah, Hajj season 2023, performing Umrah
Mobile phone with a blank black screen, electronic booking for Hajj and Umrah campaigns using mobile phones, two Arab men from Sudan wearing Ihram clothes and sitting on the plane, Hajj season 2023, the virtue of Umrah in the month of Ramadan, traveling t
The concept of time management, a portrait of an elderly Muslim Arab Saudi Gulf man wearing ihram clothes and using an electronic wristwatch, knowing and setting the time, the Hajj season 2023, performing the rituals of Hajj and Umrah, the fifth pillar of
Wearing Ihram clothes, live video broadcast, taking souvenir photos, a Sudanese Arab man sitting on the plane and using a mobile phone, traveling to Mecca to perform Hajj and Umrah, Hajj season 2023, performing Umrah in Ramadan, Saudi Airlines
Performing Umrah in Ramadan, an Indonesian couple sitting on the plane, a Muslim woman wearing Ihram clothing and raising her hand up, traveling to Mecca to perform the rituals of Hajj and Umrah, Hajj season 2023, supplication, worship and closeness to Go
A close-up of a Saudi Arabian Gulf man raising his hands up to supplicate and supplicate to God, worship and draw closer to God Almighty by performing the obligatory rituals and rituals of Hajj and Umrah in Islamic holy places in the Kingdom of Saudi Arab
Reading remembrances after prayer, a close-up portrait of the hand of a Saudi Arabian Gulf Muslim woman wearing ihram clothes and holding a rosary in her hand, sitting on the prayer rug and doing tasbeeh and reciting remembrances, Hajj season 2023, gray b
Preserving the five daily prayers, praying and supplicating to God, the virtue of performing Umrah in the blessed month of Ramadan, answering God's call to Hajj and Umrah, a close-up portrait of a Saudi Arabian Khaleeji couple wearing the Ihram garments,
Wearing ihram clothes, a portrait of a Saudi Arabian Gulf Muslim young man raising his hands up, supplication, worship, and drawing closer to God, performing the rituals of Hajj and Umrah, the fifth pillar of Islam, Hajj season 2023, blue background
Getting closer to God by prayer, supplication and worship, Islamic supplications and remembrances, performing the rituals of Hajj and Umrah in the 2023 season, a portrait of a young Saudi Arabian Gulf Muslim wearing ihram clothes and raising his hands to
Performing the rituals of Hajj and Umrah, wearing Ihram clothes, a portrait of an elderly Muslim Arab Saudi Gulf man holding a rosary in his hand, raising his hands up, supplication, worship, and drawing closer to God, the fifth pillar of Islam, Hajj seas
Portrait of a Saudi Arabian Gulf man wearing the Ihram dress and holding the Holy Qur’an book and the rosary in his hand, reading the book of God, Islam and worship, performing Hajj and Umrah, drawing closer to God, remembrances and supplications
Hajj season 2023 and prevention of the Corona virus, a portrait from behind of a Saudi Arabian Gulf Muslim man wearing Ihram clothes and holding a gray umbrella in his hand, performing Hajj and Umrah rituals, wearing a protective mask, gray background