Palestinian Muslim worshippers pray overnight during Laylat al-Qadr, outside the Dome of the Rock in the Al-Aqsa mosque compound in Jerusalem's Old City, July 13, 2015. Layal al-Qadr, falls on the 27th day of the fasting month of Ramadan, marking the night Muslims believe the first verses of the Koran were revealed to the Prophet Mohammed through the archangel Gabriel. Activestills.org