Photo taken on Sept. 11, 2020 shows a highland pasture in Lunang Township of Nyingchi, southwest China's Tibet Autonomous Region. At over 3,300 meters above sea level, Lunang Township is a well-known tourist destination along the Sichuan-Tibet expressway. (Xinhua/Sun Fei)

Photo taken on Sept. 11, 2020 shows a highland pasture in Lunang Township of Nyingchi, southwest China's Tibet Autonomous Region. At over 3,300 meters above sea level, Lunang Township is a well-known tourist destination along the Sichuan-Tibet expressway. (Xinhua/Sun Fei)

Aerial photo taken on Sept. 11, 2020 shows a view of Lunang Township in Nyingchi, southwest China's Tibet Autonomous Region. At over 3,300 meters above sea level, Lunang Township is a well-known tourist destination along the Sichuan-Tibet expressway. (Xinhua/Wang Qinou)

Photo taken on Sept. 12, 2020 shows a view of Lunang Township in Nyingchi, southwest China's Tibet Autonomous Region. At over 3,300 meters above sea level, Lunang Township is a well-known tourist destination along the Sichuan-Tibet expressway. (Xinhua/Sun Fei)

Aerial photo taken on Sept. 11, 2020 shows a view of Lunang Township in Nyingchi, southwest China's Tibet Autonomous Region. At over 3,300 meters above sea level, Lunang Township is a well-known tourist destination along the Sichuan-Tibet expressway. (Xinhua/Wang Qinou)