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.
News feature 11 September: World Trade Center structural engineer Leslie Robertson spoke in public for only the second time since 11 September, at a UK conference in December. Dave Parker was in the spellbound audience