POSTOJNA, Slovenia, June 1, 2016 – The strange, slithery creatures inside Slovenia’s Postojna cave were once considered living proof that dragons existed, prompting locals to give it a wide berth. Now, large crowds from all over the world have been queueing up to witness the extremely rare hatching of the mysterious olms — ancient underwater predators that can live up to 100 years and only breed once in a decade. Location map photo courtesy of dailymail.co.uk Their treat came Tuesday when the translucent larva broke through the delicate egg envelope after four months of nervously monitored gestation. The birth, caught on live camera, is nothing short of ”a miracle”, cave spokesmen said. ”A mere two baby olms successfully hatch from 500 eggs in nature,” they said in a jubilant statement. Found primarily in Balkan cave rivers, the protected eel-like species has been living in the world-famous Postojna cave, 50 [...]