SOCHI, RUSSIA - MAY 19: (RUSSIA OUT) Cambodia's Prime Minister Hun Sen attends a meeting with Russian President Vladimir Putin at Bocharov Ruchey State Residence on May 19, 2016 in Sochi, Russia. Leaders of ASEAN states have arrived in Russia's Black Sea resort city of Sochi to attend the Russia-ASEAN Summit. (Photo by Mikhail Svetlov/Getty Images)
