New York Underground: Exploring City Caves And Catacombs
Urban explorer Steve Duncan goes underground, examining the hidden infrastructure of major cities all over the world: their tunnels, subways and sewers. Late in 2010, NPR's Jacki Lyden joined Duncan and a group of subterranean adventurers in New York. (This story originally aired on All Things Considered on Jan. 2, 2011.)
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