We've all heard of underground societies, but rarely is the term used in such a literal manner as these amazing underground cities featured on Dornob.
Cities, empires and religions have risen and fallen around these unique underground havens once used by early Christians to hide from Roman armies, yet they remains occupied to this day – 100 square miles with 200+ underground villages and tunnel towns complete with hidden passages, secret rooms and ancient temples and a remarkably storied history of each new civilization building on the work of the last.
Read more about these amazing homes and enjoy the stunning pictures at the link.
Link