Tibetannet

Photo taken on Oct. 16, 2021 with a mobile phone shows the view of a road linking Linzhou County and Lhasa City in southwest China's Tibet Autonomous Region. The road network in Tibet has stretched over 118,800 km as of the end of 2020. (Xinhua/Shen Hongbing)

Photo taken on Dec. 19, 2021 with a mobile phone shows the view of a road in southwest China's Tibet Autonomous Region. The road network in Tibet has stretched over 118,800 km as of the end of 2020. (Xinhua/Shen Hongbing)

Photo taken on Dec. 20, 2021 with a mobile phone shows the view of Galongla Tunnel in Medog County, Nyingchi City, southwest China's Tibet Autonomous Region. The road network in Tibet has stretched over 118,800 km as of the end of 2020. (Xinhua/Shen Hongbing)

Photo taken on May 14, 2021 with a mobile phone shows the view of a road to Gyirong County, southwest China's Tibet Autonomous Region. The road network in Tibet has stretched over 118,800 km as of the end of 2020. (Xinhua/Shen Hongbing)

Photo taken on Oct. 31, 2020 with a mobile phone shows the view of a road in Yangbajain, Lhasa, southwest China's Tibet Autonomous Region. The road network in Tibet has stretched over 118,800 km as of the end of 2020. (Xinhua/Shen Hongbing)

Photo taken on Jan. 13, 2021 with a mobile phone shows the view of the Tanggula section of Qinghai-Tibet road in southwest China's Tibet Autonomous Region. The road network in Tibet has stretched over 118,800 km as of the end of 2020. (Xinhua/Shen Hongbing)

Photo taken on Nov. 7, 2021 with a mobile phone shows the view of a road in Nagarze County, southwest China's Tibet Autonomous Region. The road network in Tibet has stretched over 118,800 km as of the end of 2020. (Xinhua/Shen Hongbing)

Photo taken on Aug. 1, 2021 with a mobile phone shows bike enthusiasts riding on a road in southwest China's Tibet Autonomous Region. The road network in Tibet has stretched over 118,800 km as of the end of 2020. (Xinhua/Shen Hongbing)