Matt Potter 2:29 p.m., July 31
"Empire of the dead": Paris's catacombs hold the remains of some six million people.
Posted May 13, 2013
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Under the city's streets is a vast, ancient network of tunnels.
The air was cool and exuded a musty, almost earthy odor. The passageway with squat ceilings no more than six feet high was lit by small dim lights, each bright enough to see only a ...