The Hangzhou International Expo Center, the main venue of the G20 summit, in Hangzhou, capital of East China's Zhejiang province. The G20 summit will be held in Hangzhou on Sept 4 and 5. The 170,000 square meter venue, which has 20 sections, can contain 6,000 people. [Photo/zjol.com.cn]

A night view of Hangzhou International Expo Center, the main venue of the G20 summit, in Hangzhou, capital of East China's Zhejiang province, to be held on September 4 and 5. [Photo/zjol.com.cn]

A night view of Hangzhou International Expo Center (left) and Hangzhou Olympic Sports Expo Center (right), in Hangzhou, capital of East China's Zhejiang province. [Photo/zjol.com.cn]

Local people take photos of Hangzhou International Expo Center, the main venue of the G20 summit, in Hangzhou, capital of East China's Zhejiang province. [Photo/zjol.com.cn]

Photo of Hangzhou International Conference Center, venue for the Business 20 (B20) summit in Hangzhou, capital of East China's Zhejiang province. [Photo/zjol.com.cn]