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IU Campus Tunnels
From Bloomingpedia
There are a series of tunnels under the Indiana University campus that connect buildings in the Old Crescent. They are used as utility tunnels to carry steam and electric and telecommunications lines. They were constructed in the early 1900s. Only trained personnel are now allowed in the tunnels due to the hazards they pose, but an IU outdoor adventure club used to have permission to run expeditions through them.
