Nikolai Church and Obelisk, Alter Markt in Potsdam, Brandenburg, Germany, Europe

alter markt brandenburg state brandenburg buildings building central europe church building churches church cities city center city centre city square city civic center column construction deserted downtown eastern germany east germany empty europe's europe frg german federal republic germany german historical old town historical historic center historic centre historic city center historic city centre historic old town historic inner city inner town land brandenburg memorial site memorials memorial middle europe midtown monument municipal nobody no one no people obelisk monument obelisks obelisk old city old district old market old town area old towns old town pillars pillar place potsdam religious building republic of germany sacral building sacred building squares square state of brandenburg structure town center town centre town squares town square town travel photography uninhabited urban environment urban