The shift comes in reaction to the growing possibility of a military confrontation between the United States and Iran.
Kostrena, a small settlement not far from Rijeka, made its mark on the world via the Suez Canal, the Titanic and more.
The 126-metre-long ship went down with all its cargo when it was bombed in World War II. Now its trucks and motorbikes are home to barracudas, sea turtles and reptilian-looking crocodilefish.