Sculpture porpoise, the only living in the Baltic Sea cetacean mammals of the family, was unveiled April 5, 2006. Cast bronze sculpture of the marine mammal in its natural size and reminds all viewers that the porpoises in the Baltic Sea are still human and they need help, to be there on. Porpoise, orcas and dolphins next to the suborder of cetaceans, and is the only species ever zasiedlającym Baltic. Porpoises in the Baltic Sea 80 years ago, yet there was so much that could be seen from Kosciuszko Square. Today was their only about 600 units.