Bone people: The explorers of the Parisian catacombs

The remains of more than six million people are buried in a vast network of tunnels below Paris, France. People who call themselves 'cataphiles' visit the catacombs illegally and occasionally hold underground parties.
Skulls and bones are arranged to form the walls of the tunnels in the Paris Catacombs. Circa 1900.
Bones from the Saints-Innocents cemetery were moved to the catacombs after the cemetery began overflowing with remains.Parts of the catacomb network date back to medieval times.These subterranean quarries that make up the catacombs had been used to store the remains of generations of Parisians in a bid to cope with the overcrowding of Paris' cemeteries at the end of the 18th century.A pile of bones and skulls sits in the Paris Catacombs. Circa 1935
http://edition.cnn.com/