An Israeli soldier gestures from atop a tank after crossing the border back into Israel August 5, 2014. Israel pulled its ground forces out of the Gaza Strip on Tuesday and started a 72-hour ceasefire with Hamas mediated by Egypt as a first step towards negotiations on a more enduring end to the month-old war. REUTERS/Baz Ratner (ISRAEL - Tags: POLITICS CONFLICT CIVIL UNREST MILITARY TPX IMAGES OF THE DAY)