Reminds me of a documentary I watched about opal miners in Australia who live underground (in nice houses, just underground) - when they want a new bedroom they

Reminds me of a documentary I watched about opal miners in Australia who live underground (in nice houses, just underground) - when they want a new bedroom they just get a jackhammer out and hew one. Coober Pedy is one of those places I'd kinda like to visit someday.