Photo taken on July 16, 2019 shows a scenery along the highway linking Lhasa with Nyingchi in southwest China's Tibet Autonomous Region. (Photo: Xinhua)

Photo taken on July 16, 2019 shows a scenery along the highway linking Lhasa with Nyingchi in southwest China's Tibet Autonomous Region. (Photo: Xinhua)

Photo taken on July 16, 2019 shows a scenery along the highway linking Lhasa with Nyingchi in southwest China's Tibet Autonomous Region. (Photo: Xinhua)

Photo taken on July 16, 2019 shows a scenery along the highway linking Lhasa with Nyingchi in southwest China's Tibet Autonomous Region. (Photo: Xinhua)

Photo taken on July 16, 2019 shows a scenery along the highway linking Lhasa with Nyingchi in southwest China's Tibet Autonomous Region. (Photo: Xinhua)