Russian President Vladimir Putin (4th R, front), Mongolia’s President Tsakhiagiin Elbegdorj (3rd R, 2nd row), Kazakhstan’s President Nursultan Nazarbayev (5th R, front), Venezuela’s President Nicolas Maduro (6th R, front), China’s President Xi Jinping (3rd R, front), Vietnam’s President Truong Tan Sang (R, front), United Nations Secretary General Ban Ki-moon (2nd R, 2nd row) and other officials take part in a wreath laying ceremony at the Tomb of the Unknown Soldier on the Victory Day by the Kremlin walls in central Moscow, Russia, May 9, 2015. Russia marks the 70th anniversary of the end of World War Two in Europe on Saturday with a military parade, showcasing new military hardware at a time when relations with the West have hit lows not seen since the Cold War. REUTERS/Maxim Shemetov