hairpin bend on the historic gotthard pass road, canton of ticino, switzerland

gotthard pass road switzerland alps cobble stone cobblestone alpine mountain tremola swiss scenic drive ticino canton historic historical old landscape scenery nature summer tessin bend bends hairpin curve curvy turn serpentine winding paved pavement paving cobbled cobbles cobblestones roadway route journey infrastructure mountains mountainous europe european gotthardpass travel destination day outdoors