As the london underground has countless disused stations how do engineers go about closing the line,do they fill it in with concrete,brick it up or simply leave it:confused:
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As the london underground has countless disused stations how do engineers go about closing the line,do they fill it in with concrete,brick it up or simply leave it:confused:
Good question. A little googling brought up this little wonder of a site:
http://underground-history.co.uk/front.php
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