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.
Construction of the world’s longest tunnel slide in the Orbit sculpture in the former Olympic park is well underway. The video shows its journey from flat plate to a near finished tunnel, intertwining around the existing structure.