Hidden beneath the city streets lie 2,000 kilometres of brick tunnels that take raw sewage direct from our homes, along with 130 kilometres of interconnecting main sewers the size of railway tunnels.
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![]() Hidden beneath the city streets lie 2,000 kilometres of brick tunnels that take raw sewage direct from our homes, along with 130 kilometres of interconnecting main sewers the size of railway tunnels. No comment yet.
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a break from everyday news.....
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