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 several times and now stands in a square near Les Halles. It is the oldest fountain in Paris. Henry constructed an Italian-style garden with a fountain shooting a vertical jet of water for his favorite mistress, Diane de Poitiers, next to the Château de Chenonceau (1556–1559). At the royal Château de Fontainebleau, he built another fountain with a bronze statue of Diane, goddess of the hunt, modeled after Diane de Poitiers. Later, after the death of Henry II, his widow, Catherine de Medici, expelled Diane de Poitiers from Chenonceau and built her own fountain and garden there. King Henry IV