Ключевые слова: america, autumn, bay, benches, birds, blue, bond, california, calm, colorful, concept, ecology, environmental, fall, geese, glassy, green, lake, landscape, meadow, mirror, mountain, nobody, outdoors, park, pasture, pond, recreation, reflection, relaxation, san francisco, scenery, scenic, shoreline, silicon valley, sky, sunny, surface, trees, united states, vibrant, view, vivid, walk, water, waterfowl,