Young and old offer prayers during the first day of Eid al-Adha, outside the iconic Haghia Sophia in the historic Sultan Ahmed district of Istanbul, Tuesday, July 20, 2021. The major Muslim holiday, at the end of the hajj pilgrimage to Mecca, is observed around the world by believers and commemorates prophet Abraham's pledge to sacrifice his son as an act of obedience to God. (AP Photo/Mucahid Yapici), APTOPIX