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Aerial photo shows the snow-covered Potala Palace in Lhasa, capital of southwest China's Tibet Autonomous Region, Dec. 19, 2018. Lhasa witnessed the first snow this winter on Tuesday. (Xinhua/Purbu Zhaxi)
Aerial photo shows the snow-covered Potala Palace in Lhasa, capital of southwest China's Tibet Autonomous Region, Dec. 19, 2018. Lhasa witnessed the first snow this winter on Tuesday. (Xinhua/Purbu Zhaxi)