A tourist walks along the Yudai stream in Fushan Township of Qingtian County, east China's Zhejiang Province, May 23, 2019. (Photos: Xinhua)

Aerial photo taken on May 23, 2019 shows a night view of Qingtian County, east China's Zhejiang Province.

Photo taken on May 23, 2019 shows renovated corridors on the bank of Yudai stream in Fushan Township of Qingtian County, east China's Zhejiang Province.

Aerial photo taken on May 24, 2019 shows a view of Wenxi Town in Qingtian County, east China's Zhejiang Province.

Photo taken on May 23, 2019 shows wall paintings in Chuanliao Town of Qingtian County, east China's Zhejiang Province.

Aerial photo taken on May 24, 2019 shows villagers exercising on a newly-built path along the river in Rengong Township of Qingtian County, east China's Zhejiang Province.

Aerial photo taken on May 24, 2019 shows the scenery of Rengong Township of Qingtian County, east China's Zhejiang Province.