Muslims attend an Eid al-Adha (Kurban Bairam) mass prayer near Moscow's new grand mosque (R) in Russia, September 24, 2015. Muslims around the world celebrate Eid al-Adha to mark the end of the haj pilgrimage by slaughtering sheep, goats, camels and cows to commemorate Prophet Abraham's willingness to sacrifice his son, Ismail, on God's command. The new Moscow Cathedral Mosque, which can accommodate 10,000 people, was opened on Wednesday. REUTERS/Maxim Zmeyev