Africa cliffs Dirt gravel hills karoo landscape mountains pass road rocks Swartberg winding Abbey clouds coast fishing light moody ruins sea sky storm water ancient artificial chalk England english field Great Britain heritage site historical landmark mound neolithic rural Silbury Hill wiltshire barn crops dordogne farm fields forest France french panorama valley view Golan Heights green Israel natural nature trees abstract dark grass prairie rain rainbow range stormy weather feldberg frankfurt frost hill ice radio snow sun sunrise taunus telekom tower winter chimney concrete dilapidated dramatic ruin ruined windows