castelgrande fortress, the main and largest medieval citadels of .bellinzona, switzerland

ages alps architecture bellenz bellinzona bellinzone bianca black blizuna building canton castelgrande castle chiesa church city collegiata collegiate defensive dei europe fortress heritage historic landmark leopontine medieval middle mountain murata nera old pietro rampart rock santi sightseeing square stefano stone stronghold swiss switzerland tessin ticino torre tourism tower town travel unesco wall white