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Thar she blows: Strava heat map shows folk on shipwreck packed with 1,500 tonnes of bombs

Doctor Syntax Silver badge

" Hardly like to blow up London."

It doesn't need to blow it up. It just starts a wave running up the estuary. As it gets further up the estuary the banks get closer together and the wave gets higher. I don't think closing the Thames barrier would be too much help there.

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