NewsWorldKnow about the underground Opal city of Australia
Know about the underground Opal city of Australia
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
The Opal gem was discovered by a European explorer Wille Hutchison in 1915.