Scanned image of the river Thames
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Scanner uncovers mystery objects in Thames

The Port of London Authority is using a new scanning system to map the river Thames. The images relayed back to the authority's boat show how the river would look if it ran dry.

But the scanner is also revealing mystery objects lying on the bed of the river.

Gareth Furby reports.

  • 12 Aug 2010
  • From the section UK