Photo taken on Oct. 2, 2019 shows the scenery of Heqiao ancient town with a history of over 1000 years in Hangzhou City, east China's Zhejiang Province. (Xinhua/Xu Yu)

Aerial photo taken on Oct. 2, 2019 shows the scenery of Heqiao ancient town with a history of over 1000 years in Hangzhou City, east China's Zhejiang Province. (Xinhua/Xu Yu)

Aerial photo taken on Oct. 2, 2019 shows the scenery of Heqiao ancient town with a history of over 1000 years in Hangzhou City, east China's Zhejiang Province. (Xinhua/Xu Yu)

Photo taken on Oct. 2, 2019 shows the scenery of Heqiao ancient town with a history of over 1000 years in Hangzhou City, east China's Zhejiang Province. (Xinhua/Xu Yu)

Photo taken on Oct. 2, 2019 shows the scenery of Heqiao ancient town with a history of over 1000 years in Hangzhou City, east China's Zhejiang Province. (Xinhua/Xu Yu)

Photo taken on Oct. 2, 2019 shows the scenery of Heqiao ancient town with a history of over 1000 years in Hangzhou City, east China's Zhejiang Province. (Xinhua/Xu Yu)