ancient Angkor-Wat angles appearance archaeological archaeology artwork bas-relief battle Battles buddhism cambodia carved craftsmanship culture decorative depictions Designs epic features frieze grainy heritage Hinduism historical history icon iconic low-relief monument ornamental perspectives rough sculpted sculpture shaped shapes stone stonework stories style surfaces temple-complex temples textured textures walls wars weathered arch arched architectural architecture barred bars building closed closed-doors colors colours construction dark distinctive doors doorstep doorway entrance exit exterior historic lined lines locked metal metalwork old padlocked patterns secure secured security shut solid solid-walls steel steel-bars steel-gates wood wooden