Stock Photo - An old woman selling earthen toys at a fair during the Eid_ul_Adha in a village Mayshaghuni, Rupsha, Khulna, Bangladesh January 01, 2007 Eid_ul_Adha is one of the two main Muslim religious festivals the other one being Eid ul_Fitr celebrated by Muslims worldwide as a commemoration of Prophet Ibrahim´s Abraham´s willingness to sacrifice his son Ismael for Allah Muslims who can afford to do so sacrifice their best domestic animals usually sheep, but also camels, cows, and goats as a symbol of Ibrahim´s sacrifice In Bangladesh it is popularly known as Kurbanir Eid or Bakra Eid Eid_ul_Adha is three days long and starts on the 10th day of the month of the Islamic calendar This is the day after the pilgrims in Hajj, the annual pilgrimage to Mecca in Saudi Arabia by Muslims worldwide, descend from Mount Arafat It happens to be approximately 70 days after the end of the month of Ramadan