angles appearance blue branch branches branching Cacti cactus clusters columnar edges flora frilled frills fruit fruiting garden-display green green-fruit height high irregular large leaf light long multiple-branched perennial points prickles Prickly protection ribbed ribbing shade shadows shapes sharp sky spikes spines succulent sunlight sunshine surface surfaces tall textures Unripe unusual arched arches architectural architectural-elements architecture arts-center arts-centre colonnade columns covered curve curved curves curving dark decorations decorative distinctive entrance external former frontage heritage historic historical institutional old ornamental ornamentation past perspectives pillars religion religious roman-catholic shaded shelter sheltered Singapore solid strength strong style support ancient Angkor Angkor-Wat archaeological archaeology artwork bas-relief buddhism Buddhist cambodia cambodian carved carvings craftsmanship cultural culture depictions Designs features grainy Hindu Hinduism history icon iconic low-relief monument rough sculpted sculpture shaped stone stonework temple-complex temples textured weathered