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Coober Pedy, South Australia
Clare writes:In the immortal words of Tom Waits: 'There's a world going on underground!' There is in Coober Pedy anyway - opal mining capital of Australia, possibly the world. This was one of the places I was most keen to visit since reading about it in bill Bryson's 'Down Under' and it didn't disappoint. Three quarters of the population of this sizeable desert outpost live underground to escape punishing temperatures which range from 1 to 50degrees. In homes, s...