Cerjanska Cave-Serbia

Cerjanska Cave, located near Niš in Serbia, is one of the longest and most significant caves in the country. It stretches over 7 kilometers and features a variety of impressive formations, including stalactites, stalagmites, and large halls. Discovered in 1975, the cave remains partially unexplored, adding to its mystery. It’s not yet fully open to the public but is a site of great interest for caving enthusiasts and researchers due to its unique geological characteristics.