Firefighters conduct an emergency drill at the Potala Palace in Lhasa, southwest China's Tibet Autonomous Region, May 7, 2019. (Xinhua/Li Xin)
Firefighters connect fire hoses during an emergency drill at the Potala Palace in Lhasa, southwest China's Tibet Autonomous Region, May 7, 2019. (Xinhua/Li Xin)
Firefighters run in an emergency drill at the Potala Palace in Lhasa, southwest China's Tibet Autonomous Region, May 7, 2019. (Xinhua/Li Xin)
Firefighters conduct an emergency drill at the Potala Palace in Lhasa, southwest China's Tibet Autonomous Region, May 7, 2019. (Xinhua/Li Xin)
A firefighter runs in an emergency drill at the Potala Palace in Lhasa, southwest China's Tibet Autonomous Region, May 7, 2019. (Xinhua/Li Xin)
