rheinboulevard in the city centre of cologne, germany. empty stairs and no people on walkway

architecture area attraction bank bridge central centre city cityscape closed clouds cologne corona destination empty europe famous forbidden germany icon landmark lockdown loneliness modern mood north outdoor outside people place promenade quarantine rhein rheinboulevard rhine rhinewestphalia river riverside season sightseeing sitting solitude spring stairs steps tourism tourist travel urban walkway water weather