It's famous for underground city.
Its temperature reaches 40℃ degrees in summer.So,there had been no resident.
However, in 1911, It was known that there were a lot of opal under ground.Then,mining opal started.And now,Coober Pedy becomes top producer of opal around the world.The amount of productions accounts for 80% in the world.
However,more interesting thing is how under ground life is.Under ground templeture is about 24℃ for a year.It's really comfortable for living.And there are a lot of facilities like bar,school,cafe and hotel.

