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A tourist takes photos at the snow-covered Potala Palace square in Lhasa, capital of southwest China's Tibet Autonomous Region, Dec. 19, 2018. Lhasa witnessed the first snow this winter on Tuesday. (Xinhua/Liu Dongjun)
A tourist takes photos at the snow-covered Potala Palace square in Lhasa, capital of southwest China's Tibet Autonomous Region, Dec. 19, 2018. Lhasa witnessed the first snow this winter on Tuesday. (Xinhua/Liu Dongjun)