Photo taken on Oct. 25, 2018 shows the autumn scenery in Lulang County, Nyingchi, southwest China's Tibet Autonomous Region. (Xinhua/Liu Dongjun)

Photo taken on Oct. 24, 2018 shows the autumn scenery in Bomi County, Nyingchi, southwest China's Tibet Autonomous Region. (Xinhua/Liu Dongjun)

Photo taken on Oct. 25, 2018 shows the autumn scenery in Nyingchi, southwest China's Tibet Autonomous Region. (Xinhua/Dainzin Nyima Choktrul)

Photo taken on Oct. 25, 2018 shows the autumn scenery in Bomi County, Nyingchi, southwest China's Tibet Autonomous Region. (Xinhua/Liu Dongjun)

Photo taken on Oct. 19, 2018 shows the autumn scenery in Baxoi County, Changdu, southwest China's Tibet Autonomous Region. (Xinhua/Liu Dongjun)

Photo taken on Oct. 25, 2018 shows the autumn scenery in Nyingchi, southwest China's Tibet Autonomous Region. (Xinhua/Liu Dongjun)

Photo taken on Oct. 24, 2018 shows the autumn scenery in Bomi County, Nyingchi, southwest China's Tibet Autonomous Region. (Xinhua/Liu Dongjun)

Photo taken on Oct. 24, 2018 shows the autumn scenery in Bomi County, Nyingchi, southwest China's Tibet Autonomous Region. (Xinhua/Liu Dongjun)

Photo taken on Oct. 25, 2018 shows the autumn scenery in Nyingchi, southwest China's Tibet Autonomous Region. (Xinhua/Dainzin Nyima Choktrul)

Photo taken on Oct. 19, 2018 shows the autumn scenery in Baxoi County, Changdu, southwest China's Tibet Autonomous Region. (Xinhua/Liu Dongjun)

Photo taken on Oct. 25, 2018 shows the autumn scenery in Bomi County, Nyingchi, southwest China's Tibet Autonomous Region. (Xinhua/Dainzin Nyima Choktrul)