background branche branches brown forest grass green HDR High Dynamic Range leaf leaves moss nature needle needles shadow slope steep sun tree trees wood canada chasm cliff current deluge descent drop fall flow gorge montane mountain natural opening pour river rock Rockies Rocky Mountains shade.shadow surge water abandoned Cornish cornwall desuetude distorted disused England english gnarled Great Britain heap mosses mossy old overgrown pile quarry rocks spoil stone stunted twisted boulders countryside fast flowing hillside Natural landscape Riparian zone spring stream water resources watercourse waterway woodland bedding cone Dirt gray ground litter mulch plant sand stick sticks stones texture tile twig twigs wallpaper