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Switzerland. Geneva. The Jet D'Eau (Water-Jet) is a large water fountain and is one of the city's most famous landmarks. Situated at the point where Lake Geneva empties into the Rhône, it is visible throughout the city and from the air, even when flying over Geneva at an altitude of 10 km. Five hundred litres of water per second are jetted to an altitude of 140 metres by two 500 kW pumps, operating at 2,400 V, consuming one megawatt of electricity. The water leaves the nozzle at a speed of 200 km/h . Maximum height of water jet is about 140 meters above water level. When it is in operation, at any given moment there are about 7,000 litres of water in the air. 13.08.2015 © 2015 Didier Ruef