Photo taken on Oct. 29, 2019 shows the sunset scenery of Mount Xixabangma in Nyalam County, southwest China's Tibet Autonomous Region. (Photo: Xinhua)

Photo taken on Oct. 29, 2019 shows the sunset scenery of Mount Xixabangma in Nyalam County, southwest China's Tibet Autonomous Region. (Photo: Xinhua)

Photo taken on Oct. 29, 2019 shows the sunset scenery of Mount Xixabangma in Nyalam County, southwest China's Tibet Autonomous Region. (Photo: Xinhua)

Photo taken on Oct. 29, 2019 shows the sunset scenery of Mount Xixabangma in Nyalam County, southwest China's Tibet Autonomous Region. (Photo: Xinhua)