Photo taken on Oct. 20, 2019 shows the scenery at Lulang Township in Nyingchi City, southwest China`s Tibet Autonomous Region. With an altitude of more than 3,000 meters, Lulang Township lies along the Sichuan-Tibet Highway. (Photo by Sun Fei/Xinhua)

Photo taken on Oct. 20, 2019 shows the scenery at Lulang Township in Nyingchi City, southwest China`s Tibet Autonomous Region. With an altitude of more than 3,000 meters, Lulang Township lies along the Sichuan-Tibet Highway. (Photo by Sun Fei/Xinhua)

Photo taken on Oct. 20, 2019 shows a ranch at Lulang Township in Nyingchi City, southwest China`s Tibet Autonomous Region. With an altitude of more than 3,000 meters, Lulang Township lies along the Sichuan-Tibet Highway. (Xinhua/Tian Jinwen)

Photo taken on Oct. 20, 2019 shows the scenery at Lulang Township in Nyingchi City, southwest China`s Tibet Autonomous Region. With an altitude of more than 3,000 meters, Lulang Township lies along the Sichuan-Tibet Highway. (Xinhua/Tian Jinwen)

Photo taken on Oct. 20, 2019 shows the scenery at Lulang Township in Nyingchi City, southwest China`s Tibet Autonomous Region. With an altitude of more than 3,000 meters, Lulang Township lies along the Sichuan-Tibet Highway. (Xinhua/Tian Jinwen)

Photo taken on Oct. 20, 2019 shows the scenery at Lulang Township in Nyingchi City, southwest China`s Tibet Autonomous Region. With an altitude of more than 3,000 meters, Lulang Township lies along the Sichuan-Tibet Highway. (Photo by Sun Fei/Xinhua)