A Muslim man reads a Koran during a prayer to celebrate the first day of the Muslim holiday of Eid-al-Fitr in an indoor hall of the Olympic Complex in Athens

A Muslim man reads a Koran during a prayer to celebrate the first day of the Muslim holiday of Eid-al-Fitr in an indoor hall of the Olympic Complex in Athens August 19, 2012. Eid al-Fitr marks the end of Ramadan, the holiest month in the Islamic calendar. REUTERS/John Kolesidis (GREECE – Tags: RELIGION) – RTR36YOK