The new tunnel under the River Thames in London is 25km long was built at a cost of almost £5bn.
Click here for original story, Inside Britain’s biggest sewer under London’s River Thames
Source: BBC News – Science & Environment
The new tunnel under the River Thames in London is 25km long was built at a cost of almost £5bn.
Click here for original story, Inside Britain’s biggest sewer under London’s River Thames
Source: BBC News – Science & Environment