Lobby at the Palace Theatre, Gary Indiana. Photograph by Matthew Christopher of Abandoned America
As of 2014, approximately 78,000 people live there - yet at its peak in 1960 it had over 178,000 residents.
This precipitous drop has led to a level of economic devastation that has left thousands of homes and buildings to rot.
About 13,000 properties were considered blighted in a 2015 survey - over a third of the structures there.
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