sentences:  Put on display beginning in 2009, "Water Sky Garden" is a contemplative art environment at the plaza surrounding the Richmond Olympic Oval, a legacy of the 2010 Vancouver Olympic Winter Games.Red-stained cedar boardwalks lead visitors through the artwork.Water-purifying aerators draw shapes with bubbles on the surface of a pond that collects runoff water from the Oval's 5-acre roof, while suspended net sculptures undulate overhead in the wind, becoming sky-lanterns with nighttime illumination.