Located in Southern Australia. Village name "Coober Pedy". People live inside the opal mine underneath the earth.
Do you know there exists a village which is underneath the earth? Yeah, it’s true. Located in southern Australia, this village named” Coober Pedy “ is inhibited by people working in Opal mines. People have made houses inside the mines. This mine produces largest quantity of opal and is also known as “Opal Capital of the World”.