Home in a Cave

In the past pre historic man used caves as shelter. They were dependent on these natural shelters before they knew how to build their own shelter. Nowadays we no longer live in caves, we build cozy houses with all the basic amenities needed to make life better.
One family on the other hand decided to make a cave as their home. Unlike the prehistoric cave used by our ancestors, they made some improvements to the cave. If you take a look at it the house is quite big and it has a very spacious interior.

source: http://news.yahoo.com/s/ap/cave_home