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Everything old is new again: https://www.lib.uchicago.edu/collex/exhibits/under-your-feet/chicagos-freight-tunnels/ https://www.lib.uchicago.edu/collex/exhibits

by reddog 4y ago

Everything old is new again: https://www.lib.uchicago.edu/collex/exhibits/under-your-feet/chicagos-freight-tunnels/ https://www.lib.uchicago.edu/collex/exhibits/under-your-feet... Seems like a great idea though. If anyone can make it pan out the Swiss can.

O__________O 4y ago
List of similar projects is listed here: https://en.m.wikipedia.org/wiki/London_Post_Office_Railway#Similar_railways https://en.m.wikipedia.org/wiki/London_Post_Office_Railway#S... One in London is now a tourist attraction.