The Bukamu Tunnel, the 37th tunnel of the Lhasa-Nyingchi railway project currently under construction in Tibet, has been completed. The tunnel is located in Miling County and is 9,240 metres long, and 3,100 metres above sea level. Chinese state media Xinhua says the railway is expected to be completed in 2021 and that 75% of its length will consist of bridges and tunnels.