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
Fountain new fountain by Carlo Maderno was built in the Cortile del Belvedere, with a jet of water shooting up from a circular stone bowl on an octagonal pedestal in a large basin. In 1537, in Florence, Cosimo I de' Medici, who had become ruler of the city at the age of only 17, also decided to launch a program of aqueduct and fountain building. The city had previously gotten all its drinking water from wells and reservoirs of rain water, which meant that there was little water or water pressure to run fountains. Cosimo built an aqueduct large enough for