atmosphere calm daytime horizon Meteorological phenomenon rainbow reflection sea sky sunlight water atmospheric bow cloud clouds colors coruna eu galicia light nature phenomenon Spain abstract aura background star sun wallpaper Atmospheric phenomenon cold crisp Ecoregion fields frost highland hill landscape mountain Mountainous landforms plain Sidlaw wilderness winter architecture building classic Coruña elements freeze front frozen green hail hailstone hard ice ledge meteorological rain saavem sill stone texture tile tiled tiles white coruña signal traffic window