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
Eau d'Heure lakes Eau d'Heure lakes The Eau d'Heure lakes () is a complex of five artificial lakes, forming the largest lake area in Belgium. The dams were built during the 1970s. The lakes are not far from the village of Cerfontaine, south of the city of Charleroi, and the border with France. They are within the municipalities of Cerfontaine (province of Namur) and Froidchapelle (province of Hainaut). The primary river feeding the lakes is the Eau d'Heure. There are five dams and one hydro-electric power station. The largest lake, the "Lac de la Plate Taille", is itself the largest single lake in