building fence house houses road small street town wall 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 chink crack crevice Earthquake grout hole quake grunge grungy spooky stair staircase stairs desk desks fans glass monitors office open space