Originally built to serve as a bomb shelter during World War II, it was designed to house and protect the lives of nearly 8,000 people. The space remained abandoned for close to 70 years until entrepreneurs Richard Ballard and Steven Dring decided to turn it into the world’s first subterranean farm called Growing Underground.
via An Underground WWII Bomb Shelter in London Has Been Converted Into the World’s Largest Subterranean Hydroponic Farm | Colossal.
An intriguing if not creepy, history lesson on Chicago’s historic underground tunnels. Urban Ghosts has the story and the eerie photos – go learn something!
In 1899, Illinois Telephone and Telegraph laid telephone cables through Chicago by building a network of underground tunnels. A narrow gauge railway was laid to assist with excavating the tunnels and installing the cables but the system was quickly adapted and used as a means for transporting freight between public stations, basements and elevator shafts.
via Chicago’s Historic Underground Freight Railway Network | Urban Ghosts |.