Photo shows the snowscape of Lhasa, capital city of southwest China`s Tibet, on March 10 after a snowfall arrives at the night of March 9, 2018. (Photo/China Tibet Online)

Photo shows the snowscape of Lhasa, capital city of southwest China`s Tibet, on March 10 after a snowfall arrives at the night of March 9, 2018. (Photo/China Tibet Online)

Photo shows the snowscape of Lhasa, capital city of southwest China`s Tibet, on March 10 after a snowfall arrives at the night of March 9, 2018. (Photo/China Tibet Online)

Photo shows the snowscape of Lhasa, capital city of southwest China`s Tibet, on March 10 after a snowfall arrives at the night of March 9, 2018. (Photo/China Tibet Online)

Photo shows the snowscape of Lhasa, capital city of southwest China`s Tibet, on March 10 after a snowfall arrives at the night of March 9, 2018. (Photo/China Tibet Online)