city wall of the old town of bergamo lombardy

alta altstatdt bergamo breaks building center citta city cobblestones corona coronavirus covid covid19 crushed defense downtown epedemie europe fontanone fortification fortifications fortress gate historical history holiday infektion italy landmark lomardy lombardei lombardy loophole mediterranean monument northern old pandemie photo rocca san sea solid stone tourism tourist town travel vacation venetian venetien vigilio virus wall wanderlust