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 miles from its 25,000-foot ceiling altitude. The cabin of the D-JET was intended to feature various design elements to enhance onboard comfort, such as the proposed seating layout and the low vibration levels present during flight, for both passengers and crew. The center cockpit pedestal is cantilevered to ease entrance and egress in comparison to some competitors. Separated baggage compartments are located within the interior of the aircraft's nose and to the aft of the main cabin, both of which being externally accessed. The D-JET is powered by a single Williams FJ33-4A turbofan engine, which is equipped with an electronically