A Palestinian man washes a grave at a cemetery in the West Bank city of Ramallah on the first day of Eid al-Adha Nov.6, 2011. Muslims around the world celebrate Eid al-Adha to mark the end of the Hajj by slaughtering sheep, goats, cows and camels to commemorate Prophet Abraham's willingness to sacrifice his son Ismail on God's command. [Xinhua photo]