2 tunnels dug through in China-Laos Railway construction - Report
Published on: Tuesday 16 April 2019
The two tunnels were located in Oudomxay Province, some 400 km north of Lao capital Vientiane. The two tunnels, with lengths of 225 meters and 1,145 meters respectively, were dug through two ...
News source: https://steelguru.com/infra/2-tunnels-dug-through-in-china-laos-railway-construction-report/538410
