“Grotta Gigante”的意思、由来-开放百科全书

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Grotta Gigante

释义

Overview
History
Museum
References
External links

{{Infobox cave
| name = Grotta Gigante
(Giant Cave)
| other_name = Briška jama, Briškovska jama, Jama pri Briščikih
| photo = Grotta Gigante.jpg
| photo_width =
| photo_caption = Inside the cave looking towards the tourist entrance
| map = Italy
| map_width =
| map_caption = Location of the caves in Italy
| map_alt =
| location = {{flagicon|Italy}} Sgonico
(TS, Friuli-Venezia Giulia, Italy)
| coords = {{coord|45|42|33.18|N|13|45|49.79|E|format=dms|display=inline,title}}
| coords_ref =
| land_registry_number =
| grid_ref_UK =
| grid_ref_Ireland =
| grid_ref =
| depth = {{convert|115|m|abbr=on}}
| length = {{convert|280|m|abbr=on}}
| height_variation =
| elevation = 275 m^[1]
| discovery = 1840
| geology = Karst cave
| entrance_count = 1
| entrance_list =
| difficulty =
| hazards =
| access = Public
| show_cave = 1908
| show_cave_length = 850 m^[1]
| lighting =
| visitors =
| features =
| survey =
| survey_format =
| website = {{official website|http://www.grottagigante.it/}}
}}Grotta Gigante ("Giant Cave", {{lang-sl|Briška jama}} or Jama pri Briščikih), also known as Riesengrotte or as Grotta di Brisciachi, is a giant cave on the Italian side of the Trieste Karst (Carso), close to the village of Borgo Grotta Gigante or Briščiki in the municipality of Sgonico. Its central cavern is {{convert|107|m|abbr=on}} high, {{convert|65|m|abbr=on}} wide and {{convert|130|m|abbr=on}} long, putting it in the 1995 Guinness Book of Records as the world's largest tourist cave. This record was broken in 2010 when La Verna cave in the south west of France was opened to tourists, measuring {{convert|255|by|225|by|195|m}}.^[2]

Overview

The cave contains many large stalactites and stalagmites, many of exceptional beauty. A feature of the stalagmites is their "dish-pile" appearance, formed by water dropping from up to {{convert|80|m|abbr=on}} above and depositing calcium carbonate over a wide area.

The enormous hall is {{convert|107|m|abbr=on}} high, {{convert|130|m|abbr=on}} long and {{convert|65|m|abbr=on}} wide. A steep path with atmospheric electric lighting allows the visitor to spend about 45 minutes in this underground space, with its rich calcite concretions, the highest of which is no less than {{convert|12|m|abbr=on}} high.

Its available space and the constant temperatures throughout the year have led to the placement of scientific instruments, including the two Grotta Gigante horizontal pendulums which hang down from about {{convert|100|m|abbr=on}}, and are the longest geodetic pendula in the world.{{citation needed|date=August 2011}}

History

The cave was first explored by Antonio Federico Lindner in 1840. At the time, the karst behind Trieste was being searched for underground water from the Timavo River so as to be able to plan the city's aqueduct. In 1897, it was fully mapped by Andrea Perko, properly equipped for guided tours in 1905 by Club Touristi Triestini, and inaugurated in 1908. After World War I, ownership went to the Julian Alpine Society. Tourism only really began in 1957, when electricity was installed, unveiling new perspectives and details.

Museum

The Museum of Speleology is near the cave, and besides the various speleological, geological, and paleontological finds, it also includes some valuable archeological pieces and a poster collection of the cave. Two wide parking lots are available on the outside. Visits are scheduled at regular intervals throughout the day with expert guides. A guided walk through the cave takes about an hour.

References

1. ^¹{{it icon}} Infos about the Grotta Gigante
2. ^{{cite web |url=http://www.atm3d.com/v5/pdf/verna.pdf |title=Archived copy |accessdate=2015-01-27 |deadurl=yes |archiveurl=https://web.archive.org/web/20150608084340/http://www.atm3d.com/v5/pdf/verna.pdf |archivedate=2015-06-08 |df= }}

External links

Official Grotta Gigante website {{it icon}}

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