Ace photo (as always)Strikes me that some poor sap has had to lay millions of bricks in a tube to make all those sewers. Amazing really.
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Sun 5 Aug 2012, 11:39,
archived)
a lot of them were lay by Navvis there are old archive pics on the Google
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Paul_P http://www.Paul-hub.com,
Sun 5 Aug 2012, 11:45,
archived)