Photo taken on Nov. 27, 2019 shows cole flowers at the foot of Mount Namjagbarwa in Nyingchi, southwest China `s Tibet Autonomous Region. (Xinhua/Hou Jie)

A tourist stands near a cole flower field at the foot of Mount Namjagbarwa in Nyingchi, southwest China `s Tibet Autonomous Region Nov. 27, 2019. (Xinhua/Li Zhenyu)

Photo taken on Nov. 27, 2019 shows cole flowers in Tunbai Village of Mainling County in Nyingchi, southwest China `s Tibet Autonomous Region. (Xinhua/Hou Jie)

Photo taken on Nov. 27, 2019 shows cole flowers in Tunbai Village of Mainling County in Nyingchi, southwest China `s Tibet Autonomous Region. (Xinhua/Li Zhenyu)

A tourist overlooks Mount Namjagbarwa amid cole flowers in Nyingchi, southwest China `s Tibet Autonomous Region, Nov. 27, 2019. (Xinhua/Hou Jie)