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Postojna Cave (Slovenia)
Lavender fields on Hvar, Croatia; purple colour, butterflies, rural
Postojna Cave, located in southwestern Slovenia, is one of the most famous and visited karst caves in the world.
Stalactite formations hanging from the ceiling inside Postojna cave, Slovenia.
Picturesque karst features illuminated in the cave
The Dupnisa Cave (Turkish: Dupnisa Mağarası), located in Strandzha Mountain Range Kırklareli, northwestern Turkey, close to Bulgarian-Turkish border.
Stalagmites and stalactites in one of the numerous caves situated alongside the River Kwai (more correctly Khwae Noi River or Khwae Si Yok River) in Thailand.
Various stalactites in an underground cave illuminated by a lamp.
Stalagmite and cave
Luray Caverns is a cave just west of Luray, Virginia, United States, which has drawn many visitors since its discovery in 1878. The cavern system is generously adorned with formations such as columns, mud flows, stalactites, stalagmites, flowstone, and mirrored pools. The caverns are perhaps best known for the Great Stalacpipe Organ, a lithophone made from solenoid-fired strikers that tap stalactites of various sizes to produce tones similar to those of xylophones, tuning forks, or bells.
Trails inside the Postojna cave park. It is the second-longest cave system in the country. One of its top tourism sites. The caves were created by the Pivka River
Background photo of the cave inside the mountain. Natural formations are visible in the illuminated cave. Abstract shapes were formed with the effects of shadow and light. Shot with a full frame camera.
Stalactites and stalagmites in a cave.
Unique underground geology of  stalactites and stalagmites.
Colossal system of underground caves in Slovenia. Postojna Cave. Fantastically lit underground palaces with stalactites and stalagmites. Limestone plateau
A view inside Chiang Dao Cave, an important tourist attraction that is mysterious, beautiful and worth searching for.
The nice rogue's stone height of Postojna (Slovenia)
29 May 2021, Lipska Cave, Cetinje, Montenegro, interior with rich cave decorations, with different colors
Inside cave
Gumushane, Turkey-July 26, 2018: Karaca Cave in Gumushane. There are many natural wonders in the cave such as dripstone shapes, stalactites, stalagmites, columns, org-patterned walls, cave flowers, cave pearls and travertine steps.
Piran,  Slovenia, Europe- June 20,2023: Cave of Postojna, Postojna, Istria
Geologist standing in cave and talking with each other.
Detail of limestone concretions in Postojna cave (Slovenia)
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.
blue stalagmite, stalactite in cave
The Marble Cave in Crimea, Ukraine
The Gentle Cave is located in Adygea on the way to the Lago-Naki plateau on the Azish-Tau ridge at an altitude of 1400 meters above sea level.
Abstract from \
group of stalactites hanging in the cave in Alanya Turkey copy space
View of stalactites and stalagmites in cave.
Free Images: "bestof:Postojna i 2003.jpg Postojna Caverns in 2003 2005-12-04 own assumed Bobby~commonswiki Source Bobby Zlatevski Denmark Interior of Postojna Cave Attribution"
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