A real treasure of Bulgaria.
112 km from the city of Sofia (Bulgaria) is incredible, the cave Prohodna, which the locals call “the Eyes of God.” One of the most famous caves in Bulgaria bears the official name “Port” (Prohodna Cave), and is located in the neighborhood of the village of Karlukovo.
Its main feature tourists notice immediately is a huge natural hole in the ceiling of the cave, like giant empty sockets.
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