non drinkable water sign plate in german and turkish languages on an ancient water fountain in nikolaiviertel, berlin, germany

dragon head pump mitte ancient street german historical oldest settlement preserved ornate ephraim palais fountain metallic square tower medieval monument downtown water center nikolaiviertel nikolaikirchplatz nikolai quarter cobblestone sign nicholas drinkable germany berlin travel destination european union city sightseeing outdoor exterior historic old town touristic landmark tourism cityscape typical architecture building facade europe capital urban scene view famous place tourist attraction