NLA Sky Walk by Carmody Groarke 2 Add to Flipboard Magazine. 8 July 2008 | 29 comments More: ArchitectureLondon Architecture Festival 08 Here are some photographs of NLA Sky Walk by architects Carmody Groarke, built in Montague Place, London, as part of the London Festival of Architecture. The 160m raised walkway was in place 4-6 July. Photographs by Luke Hayes. See our previous story for further information.