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The Longest Underwater Cave in Sweden
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Produced by ,Underground Movement: Cave Diving in Jämtlandٲ, an ongoing quest by divers tomapthe Dolinsjö Cavein centralSweden. Theunderwater system was discovered in 1979 bycaver and diverBo Lenanderwhile he wasexploring the bottom of Lake Dolinsjön, located near the country’s border withNorway.So far, divers have reached1.5 miles into the cave,but no one knows how much fartherit stretches.