ancient Angkor Angkor-Wat angles appearance approach archaeological archaeology blocks cambodia color colors colour colours contrast contrasting craftsmanship cultural culture design heritage historical history monument old path paved pavement paving paving-blocks perspectives pitted rough shaped solid stones stonework surface surfaces temple-complex textured textures walkway weathered availability available buy buying cambodian colored colorful coloured colourful display fish fishy flies food for-sale fresh goods health heap heaps hygiene local market market-stalls meat merchandise merchants mixed piles purchasable quantities quantity sellers selling stack staple variety various