TASHKENT, UZBEKISTAN - JUNE 24:  Kyrgyzstan's President Almazbek Atambayev (4th L), Kazakhstan's President Nursultan Nazarbayev (5th L), Russia's President Vladimir Putin (6th L), China's President Xi Jinping (6th R), Uzbekistan's President Islam Karimov (C), and Tajikistan's President Emomali Rahmon (5th R) pose for a group photo ahead of a meeting of the Shanghai Cooperation Organisation (SCO) in Tashkent, Uzbekistan on June 24, 2016. (Photo by Russian Presidental Press and Information Office/Anadolu Agency/Getty Images)