The entrance to a conference centre, where the G20 summit will be held, is pictured before the G20 Summit in Hangzhou, Zhejiang Province, China August 31, 2016. REUTERS/Aly Song

The entrance to a conference centre, where the G20 summit will be held, is pictured before the G20 Summit in Hangzhou, Zhejiang Province, China August 31, 2016. REUTERS/Aly Song

The entrance to a conference centre, where the G20 summit will be held, is pictured before the G20 Summit in Hangzhou, Zhejiang Province, China August 31, 2016. REUTERS/Aly Song

September 2, 2016 3:12 AM (UTC+8)