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91福利社 One
Britain Beneath Your Feet
91福利社
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How we destroyed London鈥檚 giant sewer 鈥榝atbergs鈥�
Main content
Series 1
Britain Beneath Your Feet
Dallas Campbell reveals the hidden wonders beneath our feet.
On iPlayer
Not available
Supporting Content
How do you remove the fat that blocks London's sewers?
—
Building Britain
Duration:
2:30
How do you explore the roots of a tree without digging it up?
—
Building Britain
Duration:
2:24
