A butchet use a rope to tie a calf for slaughter on the first day of Eid al-Adha festival in Toukh, El-Kalubia governorate, northeast of Cairo, Egypt, September 24, 2015. Muslims across the world are preparing to celebrate the annual festival of Eid al-Adha or the Festival of Sacrifice, which marks the end of the annual hajj pilgrimage, by slaughtering goats, sheep, cows and camels in commemoration of the Prophet Abraham's readiness to sacrifice his son to show obedience to Allah. REUTERS/Amr Abdallah Dalsh