Piazza San Marco deserted due to Corona pandemic, Venice, Veneto, Italy, Europe

architecture corona crisis corona epidemic corona pandemic coronavirus corona covid 19 pandemic covid 19 cultural monuments cultural monument cultural sites cultural site deserted empty europe famous place heritages heritage historical historic italia italy nobody no one no people nord italia northern italy piazza san marco place of interest regione del veneto sars cov 2 sights sight southern europe south europe squares square st mark's square the north of italy tourism tourist attractions tourist attraction travel photography travels travel unesco world heritage sites unesco world heritage site uninhabited venetian venetia veneto venezia venice