A corridor over the tip of London’s O2 intricate has been since approval.
It is hoped the proxy make up will be built on top of the venue in Greenwich, south-east London, in time is to 2012 Olympics.
It will be dangling from two of the one-time Millennium Dome’s yellow masts and lead to an examination platform.
It will be roughly 200m (656ft) long and 60m (196ft) on top of the belligerent at its highest point, and be able of keeping up to 90 people at a time.
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