A girl views icicles on a peach tree in Lhasa, capital of southwest China's Tibet Autonomous Region, March 17, 2016. The weather in Lhasa now differs sharply during day and night, with night temperature still below zero degrees Celsius.(Xinhua/Zhang Rufeng) 

A young girl plays with the icicles on the tree in Lhasa, capital of southwest China's Tibet Autonomous Region, March 17, 2016. The weather in Lhasa now differs sharply during day and night, with night temperature still below zero degrees Celsius.(Xinhua/Zhang Rufeng) 

 Peach blossoms are covered with icicles in Lhasa, capital of southwest China's Tibet Autonomous Region, March 17, 2016. The weather in Lhasa now differs sharply during day and night, with night temperature still below zero degrees Celsius.(Xinhua/Zhang Rufeng) 

 A young girl runs past trees covered with icicles in Lhasa, capital of southwest China's Tibet Autonomous Region, March 17, 2016. The weather in Lhasa now differs sharply during day and night, with night temperature still below zero degrees Celsius.(Xinhua/Zhang Rufeng)