Key tunnels on Sichuan-Tibet railway completed (1/6)

Workers celebrate as the construction of the last two tunnels along the Lhasa-Nyingchi section of the Sichuan-Tibet Railway are completed on April 7, 2020. As of Monday, all of the tunnels along the 216.5-kilometer-long section of the Sichuan-Tibet Railway have been completed. With a length of 2,416 kilometers, the Sichuan-Tibet Railway connects Southwest China's Sichuan province with the Tibet autonomous region. It is the second railway linking Tibet with the rest of the world, along with the Qinghai-Tibet Railway. (Photo: China News Service/ He Penglei)

The photo taken on April 7, 2020 shows the construction site of a tunnel along the Lhasa-Nyingchi section of the Sichuan-Tibet Railway. As of Monday, all of the tunnels along the 216.5-kilometer-long section of the Sichuan-Tibet Railway have been completed. (Photo: China News Service/ He Penglei)

Workers celebrate as the construction of the last two tunnels along the Lhasa-Nyingchi section of the Sichuan-Tibet Railway are completed on April 7, 2020. As of Monday, all of the tunnels along the 216.5-kilometer-long section of the Sichuan-Tibet Railway have been completed. (Photo: China News Service/ He Penglei)

Workers celebrate as the construction of the last two tunnels along the Lhasa-Nyingchi section of the Sichuan-Tibet Railway are completed on April 7, 2020. As of Monday, all of the tunnels along the 216.5-kilometer-long section of the Sichuan-Tibet Railway have been completed. (Photo: China News Service/ He Penglei)

The photo taken on April 7, 2020 shows the construction site of a tunnel along the Lhasa-Nyingchi section of the Sichuan-Tibet Railway. As of Monday, all of the tunnels along the 216.5-kilometer-long section of the Sichuan-Tibet Railway have been completed. (Photo: China News Service/ He Penglei)

The photo taken on April 7, 2020 shows the construction site of a tunnel along the Lhasa-Nyingchi section of the Sichuan-Tibet Railway. As of Monday, all of the tunnels along the 216.5-kilometer-long section of the Sichuan-Tibet Railway have been completed. (Photo: China News Service/ He Penglei)