Photo taken on Dec. 23, 2019 in the south bank of the Yarlung Zangbo River, shows new houses built for herders migrating from Shuanghu County, Nagchu City, southwest China's Tibet Autonomous Region. A total of 2,900 residents from three villages of Shuanghu County, have recently left their hometown with an average altitude of 5,000 meters above sea level and travelled nearly 1,000 kilometers to resettle in Konggar County, which, at a relatively low altitude, is located to the south bank of the Yarlung Zangbo River in southern Tibet. (Xinhua/Chogo)

An 80-year-old herder (C) migrated from Shuanghu County, Nagchu City, southwest China's Tibet Autonomous Region, stands in front of her new home with relatives on Dec. 23, 2019. A total of 2,900 residents from three villages of Shuanghu County, have recently left their hometown with an average altitude of 5,000 meters above sea level and travelled nearly 1,000 kilometers to resettle in Konggar County, which, at a relatively low altitude, is located to the south bank of the Yarlung Zangbo River in southern Tibet. (Xinhua/Chogo)

Photo taken on Dec. 23, 2019 shows a fleet of buses carrying herders migrating from Shuanghu County, Nagchu City, southwest China's Tibet Autonomous Region. A total of 2,900 residents from three villages of Shuanghu County, have recently left their hometown with an average altitude of 5,000 meters above sea level and travelled nearly 1,000 kilometers to resettle in Konggar County, which, at a relatively low altitude, is located to the south bank of the Yarlung Zangbo River in southern Tibet. (Xinhua/Chogo)

Photo taken on Dec. 23, 2019 shows herders of Shuanghu County, Nagchu City, southwest China's Tibet Autonomous Region, on their migration trip. A total of 2,900 residents from three villages of Shuanghu County, have recently left their hometown with an average altitude of 5,000 meters above sea level and travelled nearly 1,000 kilometers to resettle in Konggar County, which, at a relatively low altitude, is located to the south bank of the Yarlung Zangbo River in southern Tibet. (Xinhua/Chogo)

Photo taken on Dec. 23, 2019, shows a 7-month-old baby from Shuanghu County, Nagchu City, southwest China's Tibet Autonomous Region, on the migration trip. A total of 2,900 residents from three villages of Shuanghu County, have recently left their hometown with an average altitude of 5,000 meters above sea level and travelled nearly 1,000 kilometers to resettle in Konggar County, which, at a relatively low altitude, is located to the south bank of the Yarlung Zangbo River in southern Tibet. (Xinhua/Chogo)

Photo taken on Dec. 23, 2019 shows Dekyi, a 53-year-old herder of Shuanghu County, Nagchu City, southwest China's Tibet Autonomous Region, on her migration trip. A total of 2,900 residents from three villages of Shuanghu County, have recently left their hometown with an average altitude of 5,000 meters above sea level and travelled nearly 1,000 kilometers to resettle in Konggar County, which, at a relatively low altitude, is located to the south bank of the Yarlung Zangbo River in southern Tibet. (Xinhua/Chogo)