People visit a mobile library at the "Amazing Night in Hangzhou" cultural and tourism market in Hangzhou, east China's Zhejiang Province, Aug. 14, 2020. (Photo by Jiang Han/Xinhua)

People visit the "Amazing Night in Hangzhou" cultural and tourism market in Hangzhou, east China's Zhejiang Province, Aug. 14, 2020. (Photo by Jiang Han/Xinhua)

People watch a musical performance at the "Amazing Night in Hangzhou" cultural and tourism market in Hangzhou, east China's Zhejiang Province, Aug. 14, 2020. (Photo by Jiang Han/Xinhua)

People visit a mobile library at the "Amazing Night in Hangzhou" cultural and tourism market in Hangzhou, east China's Zhejiang Province, Aug. 14, 2020. (Photo by Jiang Han/Xinhua)