Freepik
    Abstract background. Waves of water of the river and the sea meet each other during high tide and low tide. Whirlpools of the maelstrom of Saltstraumen, Nordland, Norway

    Abstract background. Waves of water of the river and the sea meet each other during high tide and low tide. Whirlpools of the maelstrom of Saltstraumen, Nordland, Norway