In short: Two roads in the opal mining town of Lightning Ridge have been partially closed to traffic after mining cavities beneath the surface began to give way. Legacy mining cavities needed to be ...
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The Australian opal mining town where more than half the residents live in underground homes carved from sandstone
Coober Pedy sits 846 kilometers north of Adelaide in the South Australian Outback, where summer temperatures regularly exceed 40°C and have reached above 50°C. To survive the heat, more than half of ...
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