high alpine lakes lai nair (black lake or schwarzer see) and lai da la scotta (schottensee) on the pass fluela

high alpine lakes lai nair black lake schwarzer scotta schottensee swiss mountain road pass fluela flueelapass davos canton grisons switzerland schweiz alps amazing background beautiful blue destination eco ecology europe european flower forest grass green idyllic landscape meadow mountains natural nature old outdoor outdoors panorama panoramic peaceful peak picturesque rock scene scenery scenic season sky spring summer travel tree trekking valley view water wild wonderful