Ключевые слова: 2021, animal, background, bird, birds, blue, calendar, cloud, clouds, cloudy, concept, dawn, design, dove, dusk, environment, flight, flock, fly, flying, freedom, greeting, happy, happy new year, heaven, holiday, light, migrate, nature, new, new year, sea, seagull, season, ship, silhouette, sky, sun, sunlight, sunrise, sunset, wild, wildlife, wing, wings, year,