Mole people
In the United States, the term mole people (also called tunnel people or tunnel dwellers) is sometimes used to describe homeless people living under large cities in abandoned subway, railroad, flood, sewage tunnels, and heating shafts.
In the United States, the term mole people (also called tunnel people or tunnel dwellers) is sometimes used to describe homeless people living under large cities in abandoned subway, railroad, flood, sewage tunnels, and heating shafts.