National Geographic illustration of New York City Underground cross section. Amazed that we've built miles of this. :: cross-sections, very cool. it is mind boggling when you see it pictured like this.
Underground ecological city in abandoned mine The Russian architect agency Alice.ru plans to build an underground ecological city in an abandoned mine in Siberia. Underground cities might be the cities of the future especially in colder areas.
Funny pictures about There's a Whole Subterranean World Under Britain. Oh, and cool pics about There's a Whole Subterranean World Under Britain. Also, There's a Whole Subterranean World Under Britain photos.
A Look Inside the Lowline, New York City’s First Underground Park