potsdam, view across lake heiliger see in early autumn with st. nikolai church and gothic library in background

aged alcove ancient architecture attraction autumn background bibliotheca bibliothek brandenburg building church cloudy columns cultural decorative deutschland dramatic early editorial europe european garden gardens garten german germany gothic gotische heiliger historic historical history lake landmark library monument monumental nature neuer new nikolai nikolaikirche outdoor park potsdam russia see sight sightseeing sky tourism traditional trees view