https://en.wikipedia.org/wiki/Coober_Pedy https://en.wikipedia.org/wiki/Coober_Pedy: Coober Pedy (/ˈkuːbər ˈpiːdi/) is a town in northern South Australia, 846

https://en.wikipedia.org/wiki/Coober_Pedy https://en.wikipedia.org/wiki/Coober_Pedy: Coober Pedy (/ˈkuːbər ˈpiːdi/) is a town in northern South Australia, 846 km (526 mi) north of Adelaide on the Stuart Highway. The town is sometimes referred to as the "opal capital of the world" because of the quantity of precious opals that are mined there. Coober Pedy is renowned for its below-ground dwellings, called "dugouts", which are built in this fashion due to the scorching daytime heat.