Aerial photo taken on Feb. 3, 2021 shows the scenery of terraced fields in Chongtou Township of Yunhe County, east China's Zhejiang Province. (Xinhua/Huang Zongzhi)

A farmer works in terraced fields in Chongtou Township of Yunhe County, east China's Zhejiang Province, Feb. 3, 2021. (Xinhua/Huang Zongzhi)

Aerial photo taken on Feb. 3, 2021 shows the scenery of terraced fields in Chongtou Township of Yunhe County, east China's Zhejiang Province. (Xinhua/Huang Zongzhi)

Aerial photo taken on Feb. 3, 2021 shows the scenery of terraced fields in Chongtou Township of Yunhe County, east China's Zhejiang Province. (Xinhua/Huang Zongzhi)

Aerial photo taken on Feb. 3, 2021 shows the scenery of terraced fields in Chongtou Township of Yunhe County, east China's Zhejiang Province. (Xinhua/Huang Zongzhi)

Photo taken on Feb. 3, 2021 shows the scenery of terraced fields in Chongtou Township of Yunhe County, east China's Zhejiang Province. (Xinhua/Huang Zongzhi)