Aerial photo taken on Oct. 22, 2021 shows the winding road in Batang County, Tibetan Autonomous Prefecture of Garze, southwest China's Sichuan Province. (Xinhua/Liu Kun)

Aerial photo taken on Oct. 24, 2021 shows a road in Baiyu County, Tibetan Autonomous Prefecture of Garze, southwest China's Sichuan Province. (Xinhua/Wang Xi)

Aerial photo taken on Oct. 19, 2021 shows the winding road in Yajiang County, Tibetan Autonomous Prefecture of Garze, southwest China's Sichuan Province. (Xinhua/Liu Kun)

Aerial photo taken on Oct. 22, 2021 shows the winding road in Derong County, Tibetan Autonomous Prefecture of Garze, southwest China's Sichuan Province. (Xinhua/Liu Kun)

Aerial photo taken on Oct. 19, 2021 shows the winding road in Yajiang County, Tibetan Autonomous Prefecture of Garze, southwest China's Sichuan Province. (Xinhua/Wang Xi)

Aerial photo taken on Oct. 24, 2021 shows a road in Batang County, Tibetan Autonomous Prefecture of Garze, southwest China's Sichuan Province. (Xinhua/Xu Bingjie)

Aerial photo taken on Oct. 23, 2021 shows the winding road in Batang County, Tibetan Autonomous Prefecture of Garze, southwest China's Sichuan Province. (Xinhua/Xu Bingjie)

Aerial photo taken on Oct. 23, 2021 shows the winding road in Batang County, Tibetan Autonomous Prefecture of Garze, southwest China's Sichuan Province. (Xinhua/Liu Kun)

Aerial photo taken on Oct. 20, 2021 shows the winding road in Xiangcheng County, Tibetan Autonomous Prefecture of Garze, southwest China's Sichuan Province. (Xinhua/Xu Bingjie)

Aerial panoramic photo taken on Oct. 23, 2021 shows the winding road in Batang County, Tibetan Autonomous Prefecture of Garze, southwest China's Sichuan Province. (Xinhua/Liu Kun)

Aerial photo taken on Oct. 24, 2021 shows the winding road in Baiyu County, Tibetan Autonomous Prefecture of Garze, southwest China's Sichuan Province. (Xinhua/Wang Xi)