Photo taken on March 17, 2020 shows the view of cole flower fields in Zhuji, east China's Zhejiang Province. (Xinhua/Weng Xinyang)

Aerial photo taken on March 17, 2020 shows the view of cole flower fields in Zhuji, east China's Zhejiang Province. (Xinhua/Weng Xinyang)

Aerial photo taken on March 17, 2020 shows the view of cole flower fields in Zhuji, east China's Zhejiang Province. (Xinhua/Weng Xinyang)

Aerial photo taken on March 17, 2020 shows the view of cole flower fields in Zhuji, east China's Zhejiang Province. (Xinhua/Weng Xinyang)

Tourists walk in a cole flower field in Zhuji, east China's Zhejiang Province, March 17, 2020. (Xinhua/Weng Xinyang)