A man holds the Koran during a protest at Tahrir Square in Cairo July 29, 2011. Tens of thousands of Egyptians rallied on Friday in a bid to show Islamists and liberal groups were united in wanting change, but the overwhelmingly Islamic tone of chants and banners exposed differences between the two sides. REUTERS/Amr Abdallah Dalsh (EGYPT – Tags: CIVIL UNREST POLITICS RELIGION)
