This article takes a look inside this underground world, and the troubles that keep many of its residents in the darkness of the Las Vegas tunnel life.
"It is estimated the population of the underground community could be as many as 700. As well as credit-hustling, they earn their money off the wildly excessive city above by begging and "dumpster diving" - raiding bins and skips.
There are around 350 miles of flood channels running under Las Vegas. Most inhabitants are in the area under the city's strip."