Category:Temnata dupka Cave

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Temnata dupka 
cave in Bulgaria
Входът на Темната дупка гара Лакатник.jpg
Instance of cave
LocationLakatnik, Sofia Province, Bulgaria
Time of discovery or invention
  • 1962
  • 7,000 metre
Authority control

43° 05′ 19.37″ N, 23° 23′ 12.95″ E

Blue pencil.svg