side view of an old irregular stone retaining wall, in autumn, monte amiata, tuscany, italy

green tree nature leaf plant soil grass forest woodland trunk rock autumn flower branch wood sunlight wildlife wall geology side view old irregular stone retaining monte amiata tuscany italy foliage woods ground foliage exterior environment lichen mossy colors solid boulder stonework dirty gray abstract grunge plant block wallpaper outdoors surface structure pattern rock texture irregular wall old nature rough stone autumn background beautiful brown close closeup color colorful creek detail fall fog foggy forest green leaf leaves mist morning moss