asphalt road for cyclists, to olsztyn via skrajnica, bicycle path, along the trail of eagles' nests, castles in the jura,

asphalt road bicycle path hard surface olsztyn castle panorama skrajnica eagle 039 nest trail jura krakowczestochowa construction trips green grass blue sky deep ruins monuments uphill downhill speed nature early summer spring cloudy clouds stronghold view horizontal cycle biking biker bike activity healthy holiday leisure fitness happy explore pathway recreation resort attraction aerial fortification eagles fortress history landmark landscape lovely medieval on the hill