Gansu's Dongshan tunnel at average altitude of 3,850 meters drilled through : TunnelContact.com

|

|

Username or email*

Password*

Remember me

Register
Lost password

Tunnel Building News (tenders, building progress news, etc)

Gansu's Dongshan tunnel at average altitude of 3,850 meters drilled through

By Chu Yang 1361 days ago Replies (1)

Gansu's Dongshan tunnel at average altitude of 3,850 meters drilled through

http://english.www.gov.cn/news/photos/202103/03/content_WS603ede96c6d0719374af9d85.html

1

By Chu Yang 1361 days ago
http://english.www.gov.cn/news/photos/202103/03/content_WS603ede96c6d0719374af9d85.html
Gansu's Dongshan tunnel at average altitude of 3,850 meters drilled through
english.www.gov.cn

Tunnel Building News (tenders, building progress news, etc)

Group FAQ
Group discussions
Group wall

cover tunnel photo by: Matt Brown from London, England / CC BY

Copyright 2019-2024 TunnelContact.com

About
Terms
Privacy
FAQ
Announcements