Ключевые слова: biodiversity, blue, botany, calm, calmness, clouds, countryside, duck, ecosystem, environment, flora, foliage, greenery, habitat, hills, horizon, idyllic, lake, landscape, lisbon, natural, nature, outdoor, panorama, panoramic, peaceful, picturesque, pond, portugal, reflection, ripple, rural, scenery, scenic, serene, serenity, shore, sky, summer, sunny, teal, tranquility, trees, vegetation, water, waterbody, wilderness,