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
Engineering Fountain be around $350,000. The fountain is the iconic center of the Purdue Mall, which is often informally referred as the Engineering Mall due to the proximity of the engineering-related buildings around it. Originally built with an open jet that shoots 588 gallons of water per minute straight up into the air, students soon created the tradition of running through the fountain on warm days. In 2001, a mirrored cylinder was installed around the jet at Youngman's suggestion to prevent potential injuries incurred during fountain runs. This cylinder has not stopped students from participating in the tradition of a fountain run