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Continue to ChatWorld Heritage: https://www.montanregion-erzgebirge.de/en/world-heritage/czech-republic/krupka-mining-cultural-landscape/sink-hole-komari-hurka.html
World Heritage: https://www.montanregion-erzgebirge.de/en/world-heritage/czech-republic/krupka-mining-cultural-landscape/sink-hole-komari-hurka.html