Aerial photo taken on Oct. 20, 2019 shows a view of a mountain road in Tajik Autonomous County of Taxkorgan, northwest China's Xinjiang Uygur Autonomous Region. The road, constructed on the Pamir Plateau at an altitude of more than 4,200 meters with a 1,000-meter drop in height, is hailed as the "plateau sky road" by local residents. (Xinhua/Ding Lei)

　　Aerial photo taken on Oct. 20, 2019 shows a view of a mountain road in Tajik Autonomous County of Taxkorgan, northwest China's Xinjiang Uygur Autonomous Region. The road, constructed on the Pamir Plateau at an altitude of more than 4,200 meters with a 1,000-meter drop in height, is hailed as the "plateau sky road" by local residents. (Xinhua/Ding Lei)

　　Aerial photo taken on Oct. 20, 2019 shows a view of a mountain road in Tajik Autonomous County of Taxkorgan, northwest China's Xinjiang Uygur Autonomous Region. The road, constructed on the Pamir Plateau at an altitude of more than 4,200 meters with a 1,000-meter drop in height, is hailed as the "plateau sky road" by local residents. (Xinhua/Ding Lei)

　　Aerial photo taken on Oct. 20, 2019 shows a view of a mountain road in Tajik Autonomous County of Taxkorgan, northwest China's Xinjiang Uygur Autonomous Region. The road, constructed on the Pamir Plateau at an altitude of more than 4,200 meters with a 1,000-meter drop in height, is hailed as the "plateau sky road" by local residents. (Xinhua/Ding Lei)

　　Aerial photo taken on Oct. 20, 2019 shows a view of a mountain road in Tajik Autonomous County of Taxkorgan, northwest China's Xinjiang Uygur Autonomous Region. The road, constructed on the Pamir Plateau at an altitude of more than 4,200 meters with a 1,000-meter drop in height, is hailed as the "plateau sky road" by local residents. (Xinhua/Ding Lei)

　　Aerial photo taken on Oct. 20, 2019 shows a view of a mountain road in Tajik Autonomous County of Taxkorgan, northwest China's Xinjiang Uygur Autonomous Region. The road, constructed on the Pamir Plateau at an altitude of more than 4,200 meters with a 1,000-meter drop in height, is hailed as the "plateau sky road" by local residents. (Xinhua/Ding Lei)

　　Aerial photo taken on Oct. 20, 2019 shows a view of a mountain road in Tajik Autonomous County of Taxkorgan, northwest China's Xinjiang Uygur Autonomous Region. The road, constructed on the Pamir Plateau at an altitude of more than 4,200 meters with a 1,000-meter drop in height, is hailed as the "plateau sky road" by local residents. (Xinhua/Ding Lei)