A home carved into a cliff face has many advantages: it's climate-controlled, easy to defend, and sturdy. It takes quite some time to build, but once it's done, many generations can use it. Cliff homes exist all over the world. Environmental Graffiti introduces us to ten places with cliff dwellings, such as China’s Guyaju cliff dwellings, pictured here, that were built over 1,000 years ago and include hundreds of rooms and even stables for horses. Link -via the Presurfer
(Image credit: Wikipedia user Pfctdayelise)