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Lower Barac's Cave or Donja Baraceva spilja (Significant landscape Barac caves or Znacajni krajolik Baraceve spilje) - Rakovica, Croatia (Kroatien, Hrvatska)
Horizontal landscape photo of eroded limestone and marble cave walls reflecting on the still water of an underground stream at the entrance to underground caves nin Wombeyan Karst Nature Reserve, a sanctuary for native flora and fauna species near Goulburn, NSW in Winter.
Picture of stalagmites and stalactites inside Phung Chang Cave, Phang Nga, Thailand.
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.
marble cave on Mount Sugomak near the city of Kyshtym, southern Urals
cave of white stones in the forest
Exterior of Daniil Sihastrul's cave home near Putna, Romania. Daniil Sihastrul ignited a hermit movement in northern Moldova, having many novices in the woods surrounding Voroneț, as well as at the hermitages and monasteries in its surroundings. He encouraged Stephen the Great to fight for the defense of Christendom and to build holy places.
The Cueva Palombeira, excavated vertically through the hill that presses against the gorge of La Balouta (in Las M dulas, Le n, Spain), is an artificial tunnel constructed for the evacuation of waste material from the gold mine of Las M dulas. Upon entering a few meters into the cavity, one becomes aware of a tunnel cleanly sculpted into the rock, running along the upper part of the cavern, with vertical walls and an arched ceiling. In contrast, the rest of the cavity is a narrow incision with irregular walls, exposing the structure of an ancient fossilized karst gallery. After the construction of the tunnel during the Roman exploitation period of Las M dulas, the continuous flow of mud and waste materials eroded the initial floor, carrying away the weaker materials that sealed the gallery. These materials consisted of alluvial conglomerates. As a result, the tunnel s exit is located at the highest point of a vast cone of debris that fills the La Balouta ravine and reaches the site of Salas de la Ribera, a locality directly built upon the waste materials from Las M dulas.
Beautiful nature on the mountain
detail of a fold in sedimentary rocks in a former quarry in Kielce
Footpath at rocky passage at the Black river in National park Nera-Beusnica.
Forest cave in Zakrzowek area, Krakow, built in stained limestones from the Late Jurassic
Landscape of Stara Planina mountain in Serbia
Crimea, Ukraine. Stalactites, stalagmites on the walls of the Emine-Bair-Khosar cave. Template for design. Selective sharpness. Summer period.
Cell in Rock Monastery St. Dimitar Bаsarbovski, near Bаsarbovo village. Ruse region, Bulgaria, Eastern Europe.
Cave Byci skala in Moravien carst near Brno in Czech republic.
Kaklik Cave in Denizli, Turkey
A small cave with benches in Martin Brod in the Una National Park. Una-Sana Canton, Federation of Bosnia and Herzegovina. Early September
rocky mountain
forest landscape. A rock in a green forest
Group of mountaineers walking in the mountains
inscriptions on the stone of Gutman Cave in Sigulda, Latvia
Hiking woman sitting at large natural window - The Otlica Natural Windov in Vipava Valley -in rocky mountain. View throe window on small city of Ajdovščina. Well known spot for wonderful paragliding and wine making.
Huel Lee or Hohllay on the Mullerthal trail in Luxembourg, open cave with view to the forest, sandstone rock formation
Photo of mountain top on beautiful day taken on Serbian mountain
Wine cellars in Cserepfalu, Hungary
Yaren, Nauru: Makwa / Moqua Well - small underground pond, once the primary source of drinking water for the inhabitants of Nauru.
Aladzha Monastery - Orthodox Christian cave monastery complex. Bulgaria
Pilis in Hungary
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