For centuries architects have used water to activate and beautify the spaces they design. Many choose water as a focal point in a design because of its infallible ability to attract our senses.
Water activates all our senses like nothing else in the environment. These features invite people to not only look, but touch and feel and play.
These features are not only a practical necessity to help water bodies maintain healthy oxygen levels; they also dramatically beautify their environment at the same time.
Little else can attract us like streambed or waterfall activating the environment it winds its way through.