A building is destroyed by Israeli tank during a combined forces combat demonstration at Shizafon Armor Corps Training Base, South Israel, on Oct 9, 2012. The Israel Defense Forces (IDF) held a combined forces demonstration showing the capabilities of IDF ground forces, the Armored Corps and the Combat Engineering in a battalion-led battle against a simulated enemy in an urban setting at the IDF's Shizafon Base Tuesday. [Xinhua]