UN Secretary-General Ban Ki-moon (L, front) arrives in Hangzhou to attend the G20 Summit in Hangzhou, capital city of east China's Zhejiang Province, Sept. 3, 2016. (Xinhua/Liu Ying)
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UN Secretary-General Ban Ki-moon (L, front) arrives in Hangzhou to attend the G20 Summit in Hangzhou, capital city of east China's Zhejiang Province, Sept. 3, 2016. (Xinhua/Liu Ying)
