Within The Black

Mount Gandang, a mountain in the southwest region of China, has an interesting phenomenon that geologists, researchers, and locals have been observing for decades. Located in the province of Guizhou, the rocky walls of the base of the mountain include a cliff that locals refer to as “Chan Dan Ya,” Mandarin for “egg-laying cliff,” due to its ability to “lay” stone “eggs” every 30 years. But, where are they coming from?

https://www.ancient-origins.net/unexpla ... in-0016548

This place looks amazing to visit. I never heard about it before but I would to visit here one day in the future. I definitely will be doing some more research on this area