people walking on a pedestrian bridge that connects kalemegdan fortress with promenade on the river sava in belgrade, serbia

antique arc architecture belgrade bricks bridge capital city compound connection explore footbridge fort fortress incoorporate kalemegdan landmark landscape medieval mix modern nature old outlook overcrossing panoramic park pasarella passage pedestrian point project promenade remains ridge river roman ruins sava sculpture serbia sightseeing span stairs stairway steps stone style touristic travel view viewpoint vintage walk walkway wall waterfront