A man takes photos of the Potala Palace after a snowfall in Lhasa, capital of southwest China's Tibet Autonomous Region, Jan. 8, 2015. The city saw this year's snowfall on Thursday. (Xinhua/Liu Kun)

　　People walk on a road in snow in Lhasa, capital of southwest China's Tibet Autonomous Region, Jan. 8, 2015. Lhasa saw this year's first snowfall on Thursday. (Xinhua/Chogo)

　　People walk on a road in snow in Lhasa, capital of southwest China's Tibet Autonomous Region, Jan. 8, 2015. Lhasa saw this year's first snowfall on Thursday. (Xinhua/Chogo)

　　People walk on a road in snow in Lhasa, capital of southwest China's Tibet Autonomous Region, Jan. 8, 2015. Lhasa saw this year's first snowfall on Thursday. (Xinhua/Chogo)

　　People walk on a road in snow in Lhasa, capital of southwest China's Tibet Autonomous Region, Jan. 8, 2015. Lhasa saw this year's first snowfall on Thursday. (Xinhua/Chogo)

　　A resident enjoys snow fun in Lhasa, capital of southwest China's Tibet Autonomous Region, Jan. 8, 2015. Lhasa saw this year's first snowfall on Thursday. (Xinhua/Chogo)

　　People walk on a road in snow in Lhasa, capital of southwest China's Tibet Autonomous Region, Jan. 8, 2015. Lhasa saw this year's first snowfall on Thursday. (Xinhua/Chogo)

　　A resident enjoys snow fun in Lhasa, capital of southwest China's Tibet Autonomous Region, Jan. 8, 2015. Lhasa saw this year's first snowfall on Thursday. (Xinhua/Chogo)

　　A resident enjoys snow fun in Lhasa, capital of southwest China's Tibet Autonomous Region, Jan. 8, 2015. Lhasa saw this year's first snowfall on Thursday. (Xinhua/Chogo)

　　A resident enjoys snow fun in Lhasa, capital of southwest China's Tibet Autonomous Region, Jan. 8, 2015. Lhasa saw this year's first snowfall on Thursday. (Xinhua/Chogo)

　　A resident enjoys snow fun in Lhasa, capital of southwest China's Tibet Autonomous Region, Jan. 8, 2015. Lhasa saw this year's first snowfall on Thursday. (Xinhua/Chogo)

　　Photo taken on Jan. 8, 2015 shows the scenery of the Potala Palace after snowfall in Lhasa, capital of southwest China's Tibet Autonomous Region. Lhasa saw this year's first snowfall on Thursday. (Xinhua/Chogo)

　　Photo taken on Jan. 8, 2014 shows the Potala Palace after a snowfall in Lhasa, capital of southwest China's Tibet Autonomous Region. The city saw this year's first snowfall on Thursday.(Xinhua/Purbu Zhaxi)

　　Photo taken on Jan. 8, 2014 shows the Potala Palace after a snowfall in Lhasa, capital of southwest China's Tibet Autonomous Region. The city saw this year's first snowfall on Thursday.(Xinhua/Purbu Zhaxi)

　　Photo taken on Jan. 8, 2014 shows the Potala Palace after a snowfall in Lhasa, capital of southwest China's Tibet Autonomous Region. The city saw this year's first snowfall on Thursday.(Xinhua/Purbu Zhaxi)