An elephant carrying tourists walks past the children who are under the Eco Learning Program launched by Panasonic during the 37th UNESCO World Heritage Committee Session at the Bayon Temple in Siem Reap province, some 300 kilometers northwest of Phnom Penh, Cambodia, on June 25, 2013. The Bayon Temple is part of the Angkor World Heritage site and is now in a critical condition of falling apart. (Xinhua)