A 96-year-old woman rests in front of her new house at the relocation site in Gangdoi Town, Gonggar County, southwest China's Tibet Autonomous Region, Jan. 20, 2020. Located in the north bank of the Yarlung Zangbo River's mid-stream, the relocation site is a key place to improve the production and living environment of the Tibetans in extremely high altitude areas with harsh natural conditions. By December 2019, 3,364 people from Nagchu City have settled here. The production and living environment of the relocated people have been greatly improved after moving from the northern Tibetan plateau with an average elevation of about 5,000 meters to the lower southern Tibetan river valley. (Xinhua/Chogo)

Children play in front of their new houses at the relocation site in Gangdoi Town, Gonggar County, southwest China's Tibet Autonomous Region, Jan. 20, 2020. Located in the north bank of the Yarlung Zangbo River's mid-stream, the relocation site is a key place to improve the production and living environment of the Tibetans in extremely high altitude areas with harsh natural conditions. By December 2019, 3,364 people from Nagchu City have settled here. The production and living environment of the relocated people have been greatly improved after moving from the northern Tibetan plateau with an average elevation of about 5,000 meters to the lower southern Tibetan river valley. (Xinhua/Chogo)

A man plays snooker at the relocation site in Gangdoi Town, Gonggar County, southwest China's Tibet Autonomous Region, Jan. 20, 2020. Located in the north bank of the Yarlung Zangbo River's mid-stream, the relocation site is a key place to improve the production and living environment of the Tibetans in extremely high altitude areas with harsh natural conditions. By December 2019, 3,364 people from Nagchu City have settled here. The production and living environment of the relocated people have been greatly improved after moving from the northern Tibetan plateau with an average elevation of about 5,000 meters to the lower southern Tibetan river valley. (Xinhua/Chogo)

Children study at their new house at the relocation site in Gangdoi Town, Gonggar County, southwest China's Tibet Autonomous Region, Jan. 20, 2020. Located in the north bank of the Yarlung Zangbo River's mid-stream, the relocation site is a key place to improve the production and living environment of the Tibetans in extremely high altitude areas with harsh natural conditions. By December 2019, 3,364 people from Nagchu City have settled here. The production and living environment of the relocated people have been greatly improved after moving from the northern Tibetan plateau with an average elevation of about 5,000 meters to the lower southern Tibetan river valley. (Xinhua/Chogo)

Photo taken on Jan. 20, 2020 shows the relocation site in Gangdoi Town, Gonggar County, southwest China's Tibet Autonomous Region. Located in the north bank of the Yarlung Zangbo River's mid-stream, the relocation site is a key place to improve the production and living environment of the Tibetans in extremely high altitude areas with harsh natural conditions. By December 2019, 3,364 people from Nagchu City have settled here. The production and living environment of the relocated people have been greatly improved after moving from the northern Tibetan plateau with an average elevation of about 5,000 meters to the lower southern Tibetan river valley. (Xinhua/Chogo)

Dorge Droma, 73, feeds her grandson at the relocation site in Gangdoi Town, Gonggar County, southwest China's Tibet Autonomous Region, Jan. 20, 2020. Located in the north bank of the Yarlung Zangbo River's mid-stream, the relocation site is a key place to improve the production and living environment of the Tibetans in extremely high altitude areas with harsh natural conditions. By December 2019, 3,364 people from Nagchu City have settled here. The production and living environment of the relocated people have been greatly improved after moving from the northern Tibetan plateau with an average elevation of about 5,000 meters to the lower southern Tibetan river valley. (Xinhua/Chogo)

A woman takes care of her baby at her new house at the relocation site in Gangdoi Town, Gonggar County, southwest China's Tibet Autonomous Region, Jan. 20, 2020. Located in the north bank of the Yarlung Zangbo River's mid-stream, the relocation site is a key place to improve the production and living environment of the Tibetans in extremely high altitude areas with harsh natural conditions. By December 2019, 3,364 people from Nagchu City have settled here. The production and living environment of the relocated people have been greatly improved after moving from the northern Tibetan plateau with an average elevation of about 5,000 meters to the lower southern Tibetan river valley. (Xinhua/Chogo)

Kelsang Drolkar poses for a photo with two children at the relocation site in Gangdoi Town, Gonggar County, southwest China's Tibet Autonomous Region, Jan. 20, 2020. Located in the north bank of the Yarlung Zangbo River's mid-stream, the relocation site is a key place to improve the production and living environment of the Tibetans in extremely high altitude areas with harsh natural conditions. By December 2019, 3,364 people from Nagchu City have settled here. The production and living environment of the relocated people have been greatly improved after moving from the northern Tibetan plateau with an average elevation of about 5,000 meters to the lower southern Tibetan river valley. (Xinhua/Chogo)