Foreign workers gather for a mass feast at the end of the first day of the Muslim fasting month of Ramadan in Riyadh September 13, 2007. During the holy month of Ramadan observant believers fast from dawn to dusk, while businesses and offices reduce opening hours during the day. For more than a billion Muslims around the world, Ramadan is a month of prayer, fasting and charity. REUTERS/Stringer (SAUDI ARABIA)