SURABAYA, INDONESIA - OCTOBER 05:  Indonesian Muslims perform Eid Al-Adha prayer at Al-Akbar Mosque on October 5, 2014 in Surabaya, Indonesia. Muslims worldwide celebrate Eid Al-Adha, to commemorate the Prophet Ibrahim's readiness to sacrifice his son as a sign of his obedience to God, during which they sacrifice permissible animals, generally goats, sheep, and cows.  (Photo by Robertus Pudyanto/Getty Images)