Tourists Visit Castles of Bellinzona in Swiss Alpine Valley Fortified Walls Historic Unesco Landmark

tourists swiss bellinzona castle people tour guide travel tourism stone old medieval alpine alps castles walls tower empire roman ticcino landmark fortification rock wall ticino foothills fortifications castles of bellinzona castelgrande valley switzerland unesco heritage fortress european montebello sasso corbaro ancient unesco world heritage site fort historical building architecture outdoor culture site torre museum europe