New Delhi: Known as the Opal capital of the world, Coober Pedy is a town in South Australia.The interesting fact about this place is people live underground.This cavernous community was built by miners sheltering from
India TV News DeskPublished : Dec 12, 2013 22:18 IST, Updated : Sep 17, 2014 10:08 IST
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The Opal gem was discovered by a European explorer Wille Hutchison in 1915.
