Sannur Cave

Sannur Cave is a visually dynamic karst-based subterranean environment, made from groundwater traveling inside the Eocene-era limestone of Galala Plateau, Egypt. The Sunnur area is dated at approximately 65-million years, and is considered an important geological heritage. It is believed to be the longest cave in Egypt.

Cave data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).