Hankou Tunnel locating on the Xinxiang-Jincheng Expressway certified by Guinness World Records as the world's longest spiral tunnel
Recently, the Hankou Tunnel locating on the Xinxiang-Jincheng Expressway, constructed by CSCEC, was certified by Guinness World Records as the world's longest spiral tunnel, with a total length of 4,457 meters.
The
Xinxiang-Jincheng Expressway...
Zur Pressemeldung auf english.cscec.com