By putting ships back into action with minimal transit time, floating dry docks are force preservers and multipliers.

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The Greater London Authority, which is being advised by Deloitte Real Estate, said on its website the regeneration project will "make use of the docks' main feature - the water - in a floating commercial and leisure development".

BBC: Canary Wharf

In March a floating village on the River Thames was announced as part of plans to transform the Royal Docks.

BBC: Canary Wharf