Photo taken on June 25, 2020 shows a cole flower field in Dagdong Village, Lhasa, southwest China`s Tibet Autonomous Region. (Xinhua/Sun Fei)

A tourist takes photos of his child in a cole flower field in Dagdong Village, Lhasa, southwest China`s Tibet Autonomous Region, June 25, 2020. (Xinhua/Sun Fei)

Photo taken on June 25, 2020 shows a cole flower field in Dagdong Village, Lhasa, southwest China`s Tibet Autonomous Region. (Xinhua/Sun Fei)

Tourists take photos in a cole flower field in Dagdong Village, Lhasa, southwest China`s Tibet Autonomous Region, June 25, 2020. (Xinhua/Sun Fei)

Photo taken on June 25, 2020 shows a cole flower field in Dagdong Village, Lhasa, southwest China`s Tibet Autonomous Region. (Xinhua/Sun Fei)

Photo taken on June 25, 2020 shows a cole flower field in Dagdong Village, Lhasa, southwest China`s Tibet Autonomous Region. (Xinhua/Sun Fei)

Photo taken on June 25, 2020 shows a cole flower field in Dagdong Village, Lhasa, southwest China`s Tibet Autonomous Region. (Xinhua/Sun Fei)