On 10 meters there is a big cave, with lake on the surface, small exit on 2 meters leads us to the shipwreck of Aurora. The accident happened near the port of Gruz on May 6th 1992, it is the biggest maritime tragedy in the recent Dubrovnik history. Two passenger ships crashed – Ilirija ferry and ship Aurora. During this tragedy 18 people were injured and 10 passed away.