chinese ancient gate tower

ancient architecture asia asian barrier blue brick bricks building castle china chinese circumvallation city construction cultural culture defence defend door dynasty entrance famous fortification gate great greatwall guard guarding heritage historic history invader landmark landscape lantern marvel monuments old oriental pattern pavilion place protection rampart red relics ridge ruin ruins safeguard safety scene scenery scenic security sightseeing silhouette site sites sky stone tourism tourist tower town travel upright view visitor wall war watchtower wide wonder wood wooden