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The Longmen Relics Care Agency was established in 1953 under the Ministry of Culture. [3] A 1954 site inventory was undertaken by the newly established Longmen Caves Cultural Relics Management and Conservation Office. The State Council declared the Longmen Grottoes as a national cultural monument needing special protection in 1961.
Europe Kosovo The Cave of the Great Gorge 08.036 km (5.0 mi) [92] [93 (approx ... Map all coordinates in "List of longest cave by country" using OpenStreetMap.
The cave contains abundant speleothems, including stalactites, stalagmites, and flowstone. One feature is said to resemble the Virgin Mary. The operators of the show cave claim that it contains the world's longest navigable underground river, the Rubicon. [2] This river is around 700 meters long and created the cave as it flowed. [2]
Caves are found around the world. The largest form in areas of karst landforms whose rocks dissolve easily. Preferable conditions for karst cave formation are adequate precipitation, enough plants and animals to produce ample carbon dioxide, and a landscape of gentle hills which drains slowly.
The Schönberg cave system is located at place 14 on the list of the longest caves in the world. [5] Within Europe there are longer systems on the territory of Ukraine (Optymistychna Cave), Switzerland (Hölloch, Siebenhengste-Hohgant-Höhle) and Spain's (Sistema del Alto). It is the 14th longest cave system in the world.
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This is a list of caves of the world that have articles or that are properly cited. They are sorted by continent and then country. They are sorted by continent and then country. Caves which are in overseas territories on a different continent than the home country are sorted by the territory's continent and name.
The Hölloch (English: Hellhole) [2] is a 200.4 km (124.5 mi) long cave in the municipality Muotathal in Switzerland. In addition to being the second longest cave in Europe and the 11th longest of the world, it is also notable for having a depth of 1,033 m (3,389 ft). [1] The Hölloch is an example of a karst cave system. [3]