Ключевые слова: adventure, boat, boating, catamaran, competition, competitors, crew, douro, extreme, fast, fun, gaia, marine, mast, motion, nautical, navigating, navigation, porto, portugal, race, regatta, river, sail, sailboat, sailor, sea, series, ship, skiff, skipper, speed, sports, success, team, teamwork, transportation, vessel, water, wave, wind, world, yacht, yachting,