brodnica, kujawsko-pomorskie / poland - august, 21, 2020: red brick walls surrounding the city. a brick building that protects aga

brodnica kujawskopomorskie poland august 21 2020 red brick walls surrounding city building that protects aga tower polish medieval strasburg wall stronghold fortification travel river fortified fortress history heritage turret pomerania european old moat middle ages historic sky order architecture europe landmark sunny day knight lookout invasions summer season