In Australia, there is a city whose entire population lives under the ground

Coober Pedy - a small town in the central part of the Australian state of South Australia. Population estimates for 2008 was approximately 2,000 people.

The city is known as the opal capital of the world, because there is one of the richest deposits of opals are concentrated about 30% of world reserves. The name Coober Pedy is translated from the language of the Australian Aborigines as "the white man's hole" or "white person underground».

Due to the severe temperature conditions and the prevailing mining people are constantly living in underground caves in shafts remaining after the extraction. Standard bedroom cave home with lounge, kitchen and bathroom are located in caves drilled inside the mountain, like the houses on the surface. This keeps a constant optimal temperature, while on the surface reaches 40 ° C (maximum 55 ° C), at a temperature become unfit for many household appliances. But the relative humidity rarely reaches 20% on hot days.

Much of attracting interest in Coober Pedy is inside the mine, a graveyard, and underground churches. The first trees that can be seen in the city, were welded from pieces of iron. The town has a local golf course golfers grass and mobile line the small pieces of "turf" around to the first impact.

Coober Pedy is included in many tourist destinations of Australia. Against the background of Coober Pedy filmed movies like "Mad Max 3: Beyond Thunderdome," "The Adventures of Priscilla, Queen of the Desert" and "black hole." Approximately in 2012 there are going to conduct an experiment scientist expedition to Mars.