blue brown dead dried forest green grey hillside lifeless mountains Poland spruce Sudety tree branch branches contrast creepy expired isolated nature organic silhouette twig wood barren chilly clean cool damp foggy fresh hard opening rocks rough solid texture tough unrelenting wet ashore background backgrounds debris detritus flora flotsam gray jetsam left live natural plant plants rubbish ruined sea seaweed shore textural textured textures washed weed wreck wrecked