circular curved embedded farm machine wheel granite hole lichen light other side spiral spokes stone wall stones through wall wedged wheel boulder boulders bush island islands land landscape Maddalena mediterranean natural nature outcrop plant rock rocky rough rugged Sardinia scrub shrub view background coruna eu ezaro galicia ocean power rocks saavem sea solid Spain stone texture tidal tide water wave waves carved coast coastal eerie eroded erosion form formation macabre odd strange unusual weird woman close-up color colour conglomerate gray green grey growth life macro moss moss-covered plants sprouting surface textures