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Protecting London's historic buildings
The Grade I listed House of St Barnabas is threatened with ground movement. Grout is injected through thin tubes under Soho Square lifting the earth back to its original position.
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This clip is from
More clips from Series 1
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Prefabricated glulam beams—Platforms and Plague Pits
Duration: 01:51
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Tunnel boring machine breakthrough—Tunnels Under the Thames
Duration: 01:01
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Fish Rescue—Tunnels Under the Thames
Duration: 02:35
