ambush, stalking, warship, navy, submersible, sea, Baltic Sea, archipelago, water, sunny, ferryboat, passenger ferry, Sveaborg, fortress island. A Finnish museum submarine Vesikko place in the world heritage site Suomenlinna fortress island facing a passenger ferry to Sweden passing by in the distance in the Helsinki sea waters with archipelago on the background on sunny summer evening.

Stock photo: ambush, stalking, warship, navy, submersible, sea, Baltic Sea, archipelago, water, sunny, ferryboat, passenger ferry, Sveaborg, fortress island. A Finnish museum submarine Vesikko place in the world heritage site Suomenlinna fortress island facing a passenger ferry to Sweden passing by in the distance in the Helsinki sea waters with archipelago on the background on sunny summer evening. was taken by jekurantodistaja .