Japan's Prime Minister Shinzo Abe (L) shakes hands with China's President Xi Jinping (R) before the G20 leaders' family photo in Hangzhou on September 4, 2016.
World leaders are gathering in Hangzhou for the 11th G20 Leaders Summit from September 4 to 5. / AFP / Greg BAKER        (Photo credit should read GREG BAKER/AFP/Getty Images)