granite ice mountain rock rock face rock wall snow wall building fence house houses road small street town walls empty historic narrow pavement perspective windows ancient block blocks desert Giza piramids sand tourists angles appearances architectural architectural elements architecture battlement carnels corbels crenellation crenels decorative decorative-battlements defensive-architecture defensive-wall extended-outwards fort fortification fortress masonry-structure merlons ornamental ornamentation parapet ramparts segment supported supporting-corbels supports wall-segment wall-tower castle city walls large medieval stones tower wooden gate brick brick texture brick wall bricks construction paint painted peeling texture white bricked up closed concrete door entrance gateway no entry old abstract backdrop background barrier basic brick-wall brickwork color colored coloring colors colour coloured colouring colours constructed exterior external linear lines mortar perspectives secure security smooth solid standard strength strong style surface surfaced surfaces textured textures traditional-brick-wall variation varied various walled wallpaper well-built chink crack crevice Earthquake grout hole quake