ball base color colored colors colour coloured colours effortlessly-turning film-of-water floating-stone green-sphere heavy intriguing kugel-ball large light marbling mesmerising-motion patterned patterns pedestal polished pressurised-water recycled-rainwater reflecting reflections rotated rotating sculpted sculpture size smooth sphere spherical-pocket surface surfaced surfaces suspended texture textures therapeutic-observation vibrancy vibrant water water-conservation water-feature water-lubricated water-monument appearance black brightly-coloured carpeting-plants clump-forming clumps coloration colorful colourful common daisy-like drought-tolerant environmental-weed flower flowers garden flowers garden-escape gazania gazanias golden hardy introduced-species invasive lance-shaped-leaves low-growing orange perennial plants prolific rapid-spreader resilient roadside-weeds South-African streaked tough vivid water-wise weed widespread wind-blown-seeds yellow