overtaking prohibited sign mountain road st gallen canton switzerland

alpine alps beautiful country crest destination drive environment farm farmland farms fresh grass green greenery may meadow motion mountain natural nature overtaking pastoral pasture peace peaceful peaks pinnacles prohibited range ranges relief road roadside rural sign skies sky skyline snowy spring swiss switzerland transport travel valley village permanent traditional alp cloudscape canton europe european rustic ridges peak mels municipality wahlkreis sarganserland seeztal gallen