Subscribe for full online access and get...
- Full, instant access to all stories
- Customised email alerts straight to your inbox
- Monthly print magazine
For the best possible experience using our website we recommend you upgrade to a newer version or another browser.
The Busan-Geoje fixed link project in South Korea comprises the deepest roadway tunnel in the world and 1.6km of cable stayed bridges - one of the largest civil engineering projects in the world.