The UNESCO headquarters in Paris. The Pirelli skyscraper in Milan. The Palazetto dello Sport in Rome. The "soaring beauty" of Pier Luigi Nervi's visionary designs and buildings changed cityscapes in the twentieth century. His uncanny ingenuity with reinforced concrete, combined with a gift for practical problem solving, revolutionized the use of open internal space in structures like arenas and concert halls.Aesthetics and Technology in Building: The Twenty-First-Century Editio...