ancient architecture black blue cloud clouds cloudy coruna eu galicia Hercules house light lighthouse nature sky Spain stratification stratify stratum tower white background beauty colorful colors colourful colours encroaching flora flowers foliage green greenery pests plants prolific red spreading textures unwanted wallpaper weeds yellow azure cascades croatia dams flow lake lakes landcape moss mountains national park Plitvice protected area rocks stones summer trees water waterfall active beautiful chile landscape mountain natural plant pucon sand smoke snow south stone tree villarica volcan volcanic volcano coruña roches rock saavem desert Iran Lut fog foggy Haze hazed hazy layer layers mist misty light Morning rise