Tourists have fun in cole flower fields in Ziliu Village of Shimeitang Township, Changde City, central China's Hunan Province, March 14, 2023. (Xinhua/Chen Sihan)

Tourists have fun in cole flower fields in Ziliu Village of Shimeitang Township, Changde City, central China's Hunan Province, March 14, 2023. (Xinhua/Chen Sihan)

Tourists have fun in cole flower fields in Ziliu Village of Shimeitang Township, Changde City, central China's Hunan Province, March 14, 2023. (Xinhua/Chen Sihan)

This aerial photo taken on March 14, 2023 shows cole flower fields in Ziliu Village of Shimeitang Township, Changde City, central China's Hunan Province. (Xinhua/Chen Sihan)

This aerial photo taken on March 14, 2023 shows tourists having fun in cole flower fields in Ziliu Village of Shimeitang Township, Changde City, central China's Hunan Province. (Xinhua/Chen Sihan)

This aerial photo taken on March 14, 2023 shows cole flower fields in Ziliu Village of Shimeitang Township, Changde City, central China's Hunan Province. (Xinhua/Chen Sihan)

This aerial photo taken on March 14, 2023 shows cole flower fields in Ziliu Village of Shimeitang Township, Changde City, central China's Hunan Province. (Xinhua/Chen Sihan)

Tourists have fun in cole flower fields in Ziliu Village of Shimeitang Township, Changde City, central China's Hunan Province, March 14, 2023. (Xinhua/Chen Sihan)

This aerial photo taken on March 14, 2023 shows cole flower fields in Ziliu Village of Shimeitang Township, Changde City, central China's Hunan Province. (Xinhua/Chen Sihan)