A soldier stands guard as people wait outside a polling station in Cairo May 24, 2012. Egypt resumes its first free presidential election on Thursday after voting passed off mostly calmly on the first day apart from a stone-throwing attack on candidate Ahmed Shafiq, who was premier for a few days before Hosni Mubarak fell. REUTERS/Mohammed Salem (EGYPT – Tags: POLITICS ELECTIONS TPX IMAGES OF THE DAY)