bamboo bambusa Bambuseae clump clump of bamboo dried evergreens foliage grass green grove growth leaves miniature bamboo perennial plants potted straight strong upright artefact chinese funerary statue garden historical miniature model power prestige replica sculpture soldier terracotta army warrior Xi’an angles appearance binding bound constructed construction craftsmanship decorative display distinctive energy exterior external flow flowing flowing-water garden-water-feature knots knotted machine miniature-waterwheel ornamental ornamentation outdoors perspectives rope roped secure secured stream structure tied turn turning undershot water water-driven water-flow waterwheel wet