adherence adhering aerial-roots architectural-elements backgrounds barrier boundary bricks climber climbing-vine clinging colors colours cover coverage creeper decorative distinctive evergreen foliage ivy light ornamental peaceful plants rocks shade shadows stone-wall stones stonework strength strong sturdy sunlight sunshine surface surfaces tenacious texture textures trees variations variegated vigorous vines wall walled walls brick castle fortress germany Harz medieval middle ages pattern Regenstein stone stronghold tower background coruna eu ezaro galicia granite liquid ocean rock sea solid Spain water wave waves ferns architecture beige brown building material England english historical mortar old rectangle stone wall vintage bump bumpy calcite coarse Dirt earth lime Mineral nature quartz rough sand sandstone Soil breathing ceiling dark drip health mine Romania salt therapy treatment Turda Underground autumn blur bridge eddy flood grass pools power sky spray waterfall