Simple curved blue and green horizon background

Keywords:

country, countryside, landscape, nature, outdoors, scenery, paysage, beautiful, sky, green, blue, cloud, background, air, horizontal, color, art, clear, cloudy, colorful, environment, fresh, grass, horizon, idyll, meadow, outdoor, outside, paradise, plain, rural, spring, summer, terrain, view, vista, weather, slope, hill, day, daylight, tranquil, calm, relaxing, simple, curve, design,