Interesting facts More than half of the residents of this city live underground to escape the brutal heat of 50°C: in the world’s largest opal hub, houses, churches, and hotels are carved into the rock and maintain around 23°C year-round in the Australian desert. Valdemar Medeiros 20/06/2026 at 23:53
Interesting facts 60% Of Residents In This City Live Underground And The Reason Is Surprising Romário Pereira de Carvalho 01/09/2025 at 09:44
