A line of anti-government demonstrators is seen positioned in front of barricades ready to be used in clashes against supporters of embattled Egyptian President Mubarak, on February 5, 2011 in Cairo's Tahrir Square. Tens of thousands of protesters gathered for sweeping "departure day" demonstrations to force President Hosni Mubarak to quit after he said he would like to step down but fears chaos would result.© ALESSIO ROMENZI