backdrop background balance blue blurred brook cascade copy copyspace country countryside environment fall falling flora flow flowing fresh gold green harmony HDR motion pure purity rain rapid river rock season seasonal space spate speed splash splashing spring stone stream summer tranquil water waterfall weir white yellow zen angles appearance bamboo binding bound constructed construction craftsmanship decorative display distinctive energy exterior external flowing-water garden garden-water-feature knots knotted machine miniature miniature-waterwheel ornamental ornamentation outdoors perspectives rope roped secure secured structure tied turn turning undershot water-driven water-flow waterwheel wet canal channel forest mirror mirrors nature swim