Ключевые слова: ai, america, american, banner, boat, card, celebration, christopher, christopher columbus, colombo, columbus, columbus day, concept, copy, discovery, event, exploration, famous, flag, flag of the usa, geography, graphic, greeting, happy, history, holiday, horizontal, illustration, indigenous peoples day, journey, land, mainland, memorial, national, native american day, navigator, night, ocean, october, sail, sea, ship, sign, space, storm, symbol, travel, united, vintage, wave,