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The Potočka Zijalka cave is archaeologically and paleontologically one of the most important caves in Slovenia. There were found the bones of cave bear and tools belonging to Stone Age hunters dating from around 30,000 years ago.
Blagaj is a historic village located in the southern part of Bosnia and Herzegovina. It is situated at the source of the Buna River, near the city of Mostar. Blagaj is known for its natural beauty, cultural significance, and architectural heritage.
River
Wulong karst formations in China.
The Stiffe caves are a complex of karst caves located near Stiffe, in the municipality of San Demetrio ne' Vestini, in Abruzzo, included in the Sirente-Velino regional natural park
schwedenhöhle / gohrisch, sandstone cave saxon switzerland, germany
Tödürge rock caves have a history of 4600 years. Situated in Sivas, Turkey is going to see a lot of tourists every year these cliffs.
the multi-tiered cave city of Vardzia, carved into the rock - a famous attraction of Georgia
Seven sleepers mosque aka Yedi uyurlar camii and Cave of seven sleepers in Tarsus, Mersin, Turkey
Dikteon cave. Place of Zeus birth. Crete. Greece
The scenic Zinzulusa cave and seascape in Salento near Otranto, Apulia, Italy
Kaklik Cave in Denizli, Turkey
Mediterranean landcape - Odysseus cave on island Mljet near Dubrovnik, Croatia
Natural cave at Cala Luna, a famous tourist destination in Dorgali municipality. Province of Nuoro. Sardinia. Italy.
Archeological remains of the Lycian rock cut tombs in Myra, city Demre in Turkey. unique ancient necropolis.
POV from bow of boat to Blue Lagoon and caves, Blue Lagoon, Camino, Malta
Water cave entrance in Apuseni mountains, Valea Firii; this is one of the longest of all caves in Romania
Grotta Azzurra (Blue Grotto), famous natural blue cave in Palinuro
Bouquet of aragonite, Gouffre Géant de Cabrespine, Giant chasm of Cabrespine
A female hiker in the Pokljuka gorge,Bled,Gorenjska ,Julian alps, Slovenia
The Fara San Martino-Palombaro nature reserve is a protected natural area of 4202 ha, established in 1983, located in the municipalities of Fara San Martino and Palombaro, in the province of Chieti
Outdoor in autumn
the atmosphere of the cave on the mountain in Thailand
Phrygian Valley in Ayazini.Phrygian Valley is a historical region with caves and stone houses dating back thousands of years.
A closeup shot of Caves of Busserailles tourist attraction in Aosta Valley, Italy
Ayazini stone church in the Phrygian Valley. Historical ancient Phrygian (Phrygia, Gordion) Valley. Ayazini metropolis is popular tourist attraction in the Turkey travel area. Afyonkarahisar
The Grotta Verde (Green Grotto) on the coast of Capri  Italy
Scenic view of beautiful cave and emerald green Ionian Sea in Puglia, South Italy
A cave with colorful walls and a tank full of water.
Unique underground geology of  stalactites and stalagmites.
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