carved celtic curled decoration decorative helix intertwined intricate knot ornament ornamental shape shapes snail snake symbol symbolism wooden african African style village barriers baskets community deities fencing path protection rocks statues village weacve wood woven abstract appearance appearances background blue bright color colored colors colour coloured colours contrasting curved curves floral flowers horizontal interconnected interlinked interwoven light linear lined lines pattern patterned patterns perspectives surface surfaces texture textures wallpaper African-style-village angles branches cover covering cultural culture entrance entrances logs replica secure security Singapore Singapore-zoo sticks style weave