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The Fontana Maggiore, a masterpiece of medieval sculpture, placed in the centre of Piazza IV Novembre (formerly Piazza Grande) is the monument symbol of the city of PERUGIA The monumental fountain was designed by Frà Bevignate da Cingoli and built between 1275 and 1277 to celebrate the arrival of water in the acropolis of the city, by means of the new aqueduct. Bevignate cooperated with other talented professionals, as Boninsegna Veneziano, a hydraulic engineer, who accomplished an incredible audacious endeavour, being able to carry the water coming from monte Pacciano, located a few kilometres, without the help of pumps. . By means of a forced pressure duct, he managed to give to the water the opposite movement, i.e., the water flowed uphill instead of downhill.….

en.wikipedia.org/wiki/Fontana_Maggiore