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Blue coloured glow worms in a cave in New Zealand, lit up by flashes. A stream runs through the middle.
Stone forest  park. China
Karst cave, amazing view of stalactites and stalagnites in colorful bright light, beautiful natural landmark in touristic place.
Gilfenklamm gorge. Racines. Autonomous Province of Bolzano. Trentino-Alto Adige. Italy.
Stalactites are creating amazing shapes as they hang from the ceiling of a dark cave
The Bunya pine (Araucaria bidwillii) is a unique and majestic Australian tree with a symmetrical dome shaped canopy of branches. Today they grow in the wild in only a few locations in southeast and north Queensland.
Bouquet of aragonite, Gouffre GĂ©ant de Cabrespine, Giant chasm of Cabrespine
Detail of Beautiful Studlagil canyon with basalt columns in Jokuldalur Valley,   that is in East Iceland. For background.
the atmosphere of the cave on the mountain in Thailand
View from boat of beautiful circle-shape cave in Puglia, South Italy
Water flows through Indiana's Porter Cave and past icy formations resembling stalagmites near the cave's entrance.
Kaklik Cave in Denizli, Turkey
Tsingy de Bemaraha National Park. Unesco World Heritage in Madagascar.
Natural cave at Cala Luna, a famous tourist destination in Dorgali municipality. Province of Nuoro. Sardinia. Italy.
Stalactite, stalagmite walls of the cave. Template for design. Pattern
The magical underground environment from picturesque different minerals as limonite dripstones creating stalagmites, stalactites, and stalactite spaghetti.
Big Room in Carlsbad Cavern National Park
Amazing view of a mountain in belgium.  Climbing in Europe freyr. Holidays during  summer in belgium to climb a mountain or to hike. Sport visit europe and the nature with trees and river
Hayedo de la Pedrosa Natural Protected Area, Beech Forest Autumn Season, Fagus sylvatica, RiofrĂ­o de Riaza, Segovia, Castilla y LeĂłn, Spain, Europe
Mushroom texture
Volcanic rock at the entrance of Furna do Enxofre, Graciosa Island, Azores
schwedenhöhle / gohrisch, sandstone cave saxon switzerland, germany
Beautiful rocks with green plants and mosses. Action. Mountains with rocks and green vegetation. Beautiful rocky landscapes with variety of greenery.
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.
Basalt organs under the village of Chilhac, Haute-Loire
beautiful cueva de saturno in cuba.
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Unique underground geology of  stalactites and stalagmites.
The cave has naturally formed 400 meters of corridors and halls. The cave has hosted many choral music performances, thanks to the excellent acoustic conditions.
Section of a tall rock wall with vines growing down.
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