Photo taken on Oct.7, 2019 shows woods on the south bank of Lhasa River in Lhasa, Southwest China`s Tibet autonomous region.[Photo/Xinhua]

Photo taken on Oct.6, 2019 shows woods in the north of the Lhasa River valley in Lhasa,Southwest China`s Tibet autonomous region.[Photo/Xinhua]

Photo taken on Oct.6, 2019 shows a view in Paggarxoi village of Ta`gyai township of Dagze district in Lhasa, Southwest China`s Tibet autonomous region.[Photo/Xinhua]

Aerial photo taken on Oct.7, 2019 shows a view of the Lhasa River valley in Lhasa, Southwest China`s Tibet autonomous region.[Photo/Xinhua]

Photo taken on Oct.6, 2019 shows the woods in Paggarxoi village of Ta`gyai township of Dagze district in Lhasa, Southwest China`s Tibet autonomous region.[Photo/Xinhua]

Photo taken on Oct.6, 2019 shows the woods in Paggarxoi village of Ta`gyai township of Dagze district in Lhasa, Southwest China`s Tibet autonomous region.[Photo/Xinhua]

Photo taken on Oct.6, 2019 shows a view in Paggarxoi village of Ta`gyai township of Dagze district in Lhasa, Southwest China`s Tibet autonomous region.[Photo/Xinhua]

Photo taken on Oct.7, 2019 shows woods on the south bank of Lhasa River in Lhasa, Southwest China`s Tibet autonomous region.[Photo/Xinhua]