Only a lazy one has not heard about the sunken Atlantis, but the heroes of our Drowned City story: Stephen and Nancy are looking for a completely different city, it is called Poseleum. According to the documents and records he found in the archives, he went under water five hundred years before our era. Not only our heroes were looking for him, but the attempts were unsuccessful and everyone decided that the city could no longer be found. But scientists were more persistent than others and they managed to find an approximate place where the city could be. They are going to go down and test their assumptions. You can join and become the discoverer of the first underwater city.
