In past centuries, the caves are used as home .Now In this 21st century the cave are just a tourist place.I want to know which is the biggest home in the past centuries i mean biggest cave ? can you tell me,where the biggest cave is located?
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The cave system with the greatest total length of surveyed passage is Mammoth Cave (Kentucky, USA) at 591 kilometers (367 mi) in length. This record is unlikely to be surpassed in the near future, as the next most extensive known cave is Jewel Cave near Custer, South Dakota, at 225 kilometers (140 mi).
The deepest known cave (measured from its highest entrance to its lowest point) is Voronya Cave (Abkhazia, Georgia), with a depth of 2,191 meters (7,190 ft). This was the first cave to be explored to a depth of more than 2 kilometers (1.2 mi). (The first cave to be descended below 1 kilometer (0.62 mi) was the famous Gouffre Berger in France.) The Illyuzia-Mezhonnogo-Snezhnaya cave in Abkhazia, Georgia, (1,753 meters (5,750 ft)) and the Lamprechtsofen Vogelschacht Weg Schacht in Austria (1,632 meters (5,350 ft)) are the current second- and third-deepest caves. The deepest cave record has changed several times in recent years.