UN Secretary-General Ban Ki-moon speaks at a press conference of the G20 Summit in Hangzhou, capital of east China's Zhejiang Province, Sept. 4, 2016. (Xinhua/Xing Guangli)
UN Secretary-General Ban Ki-moon speaks at a press conference of the G20 Summit in Hangzhou, capital of east China's Zhejiang Province, Sept. 4, 2016. (Xinhua/Xing Guangli)