A tourist boat is seen on the West Lake in Hangzhou, capital of east China's Zhejiang Province, Sept. 1, 2016. The West Lake Scenic Area will be closed except for residents and working staff from Sept. 1 to 6. The 11th G20 Summit will be held in Hangzhou from Sept. 4 to 5. Photo: Xinhua

A local resident runs near the West Lake in Hangzhou, capital of east China's Zhejiang Province, Sept. 1, 2016. The West Lake Scenic Area will be closed except for residents and working staff from Sept. 1 to 6. The 11th G20 Summit will be held in Hangzhou from Sept. 4 to 5. Photo: Xinhua

A local resident runs near the West Lake in Hangzhou, capital of east China's Zhejiang Province, Sept. 1, 2016. The West Lake Scenic Area will be closed except for residents and working staff from Sept. 1 to 6. The 11th G20 Summit will be held in Hangzhou from Sept. 4 to 5. Photo: Xinhua