bed of the versasca river in lavertezzo, valle versasca. the river with the cleanest water in the world

alpine alps aquamarine background beautiful bed boulders cleanest clear forest green hiking italian landscape lavertezzo locarno mountain mountains natural nature outdoor outdoors pattern rapids river rock rocks rocky south stone stones stream summer sunlight sunny swiss switzerland teal texture ticino tourism travel turquoise valle valley versasca walking water waterfall woods world