itsmeyanna
Active member
Did you know that there's an underground city in Australia called Coober Pedy? What's the most hidden wonder of the world you've heard of? 
Hidden Wonders of the World
- Thread starter itsmeyanna
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Makomo
Active member
Oh, Coober Pedy is such a cool place with its underground homes!Did you know that there's an underground city in Australia called Coober Pedy? What's the most hidden wonder of the world you've heard of?
As for hidden wonders, I've heard of the mysterious underground temples in Derinkuyu, Turkey—totally mind-blowing! Thanks for sharing such an intriguing suggestion! 
