antique black and white photograph: street barricade, manila, philippines - 路壅 幅插畫檔、美工圖案、卡通及圖標歷史, 印洗照片
erection of barricades at the german revolution 1848, hoisting of the flag by a woman - 路壅 幅插畫檔、美工圖案、卡通及圖標革命, 19世紀風格
cross-section of a 19th century belgian riverbank fort with turreted structure and observation towers - 路壅 幅插畫檔、美工圖案、卡通及圖標
19th century engraving of saint-gothard mountain pass fortifications in swiss alps - 路壅 幅插畫檔、美工圖案、卡通及圖標