Ключевые слова: ai, america, american, banner, boat, card, celebration, christopher, christopher columbus, colombo, columbus, columbus day, concept, copy, discovery, event, exploration, famous, flag, geography, 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, skyscrapers, space, storm, symbol, travel, united, vintage, wave,