FPV drone aerial view of prehistoric Olsztyn Castle remains and trails surrounded by nature and trees with the view of cityscape in the background, Poland

fpv castle olsztyn aerial olsztyn castle silesian voivodeship trail of the eagles nests poland trail attraction fortification remains gothic warmian cathedral 14th century wall ruins round tower architecture building famous landmarks hiking historical world tourism drone race landscape tour panoramic cinematic drone bird eye view sky cityscape nature first person view hill protected limestone flight park vegetation heritage medieval prehistoric structure rock formation trees wilderness