Fountain them. By the end of the 19th century, as indoor plumbing became the main source of drinking water, urban fountains became purely decorative. Mechanical pumps replaced gravity and allowed fountains to recycle water and to force it high into the air. The Jet d'Eau in Lake Geneva, built in 1951, shoots water in the air. The highest such fountain in the world is King Fahd's Fountain in Jeddah, Saudi Arabia, which spouts water above the Red Sea. Fountains are used today to decorate city parks and squares; to honor individuals or events; for recreation and for entertainment. A Splash pad
Diamond D-Jet majority share of Diamond Aircraft Canada was sold to Chinese firm Wanfeng Aviation; reportedly, this shall result in a detailed re-assessment of the D-JET program, including options for the potential resumption of its development. During 2006, Austrian aircraft company Diamond Aircraft announced that it was engaged in the development of a very light jet, which it referred to as the "D-Jet". At the time, the company stated that it had targeted the design at the owner-pilot market, viewing the type as possessing greater practical for single-pilot operations than competitive jets, such as the Eclipse 500 and the Cessna Citation Mustang.