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Low angle view to the cave opening, Algar do Carvao cave, volcanic tunnel, at Terceira island, Azores
Camuy River Caverns National Park is one of the largest cave systems in the world and the largest in the Western Hemisphere.
mawsmai cave in Meghalaya.
Blue coloured glow worms in a cave in New Zealand, lit up by flashes. A stream runs through the middle.
Algar do Carvao or Cavern of Coal in Terceira Island, Azores, Portugal. It is an ancient lava tube or volcanic vent located in the central part of the island of Terceira in the Portuguese archipelago of the Azores
Easter island, Chile.
CLEARWATER Cave - Show cave tour at Gunung Mulu National Park
Horizontal landscape photo of spectacular underground limestone rock formations, lit up by lights, inside the Wombeyan Caves in a reserve in the countryside near Goulburn, NSW.
tropical cave in chiapas
View from inside of Algar do Carvão cave, inside an extinct volcano, in Terceira island , Azores archipelago.
Algar do Carvao cave at Terceira island, Azores vacation.
Jomblang cave, Indonesia
A popular tourist destination in the Azores
Daglı sinkhole, Kastamonu, Turkey
Umpherston Sinkhole - Mount Gambier - Australia
Configni, Lazio, Italy: The Pozzo Miesole or Pozzo di Mezzo, better known by the name of \
A view from down inside a glacial pothole looking out.
Kaklik Cave in Denizli, Turkey
cave with a view towards the forest
Moss covered rocks in Nimara Cave in Marmaris, Turkey
beautiful Cave with sky and Forest inside limestone cave of batu cave in Malaysia
Engelbrecht Cave - South Australia
During the Roman period, M.S. It was seen that Christianity spread rapidly in the region in the 2nd century, and there was a great struggle between the idolaters and the Christians. Many underground cities in the Cappadocia region, which belong to the 3rd and 4th centuries, were built by Christians for protection, shelter and worship. Mucur Underground City is in Kırşehir province. The underground city carved into soft rocks is 7-8 m deep from the ground. In the underground city with many rooms, the corridors are wide enough to pass from one place to another and people can only move forward by bending, the barns, places of worship, dividing the corridors, and the capstones, which are large volumes and circular shaped stone masses that are estimated to be built to close the rooms. and there are ventilation shafts opening above ground.
La grotta, o voragine del <vorgozzo si trova presso il comune di Baschi in località Civitella del Lago
Low angle view from below, camera pointing at sky
Stalagmites and stalactites in Ruakuri Cave, Waitomo, New Zealand.
Hole on the top of the Szelim cave in Tatabánya
Stalactites and Stalagmites in Waitomo Caves
Spectacular underground limestone rock formations, lit up by lights, inside the Fig Tree Cave, part of the Wombeyan Karst Conservation Reserve in the countryside near Goulburn, NSW
Free Images: "bestof:View up a tomo in Ruakuri Cave.jpg View up a tomo sinkhole in Ruakuri Cave Own 2012-10-13 Pseudopanax wikipedia en 38 16 4 S 175 4 43 E Ruakuri Caves Sinkholes"
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