The Pacos de Concelho City Hall in Porto, Portugal, Europe

administration building administration building administrative buildings administrative building attractions attraction buildings building cities city center city centre city hall city construction cultural monuments cultural monument cultural sites cultural site deserted downtown empty europe's europe famous place heritages heritage historical old town historical historic center historic centre historic city center historic city centre historic district historic old town historic quarters historic quarter historic inner city inner town landmark midtown municipal nobody no one no people northern portugal old city old district old town area old towns old town place of interest porto portugal portuguese rathaus sight southern europe south europe structure tourist attractions tourist attraction tourist landmark town center town centre townhalls town hall townhall town travel photography unesco site unesco world heritage sites unesco world heritage site unesco world heritage unesco world hertiage site unesco world site unesco uninhabited urban environment urban world heritage site world heritage