elevated walkway on york city walls, bar walls or roman walls, ancient monument encircling historic city of york, england, uk

ancient architecture attraction bar barbican barricade barrier block bootham brick britain building castle city elevated encircling england fence fishergate fort fortress gate gatehouse historic history kingdom landmark masonry medieval micklegate monk monument north old outdoor park passage rampart roman ruins stonework tourism tourist tower town travel united victoria walkway wall walls walmgate york yorkshire