Madrid skyscrapers. Building reflected in the windows of a Torre Kio. La Puerta de Europa towers are two twin office buildings in Madrid.They were designed by the American architects Philip Johnson and John Burgee, built by Fomento de Construcciones y Con

Madrid skyscrapers. Building reflected in the windows of a Torre Kio. La Puerta de Europa towers are two twin office buildings in Madrid.They were designed by the American architects Philip Johnson and John Burgee, built by Fomento de Construcciones y Contratas and inaugurated in 1996 by the Kuwait Investment Office (hence their initial name "Torres KIO"). Each building is 115 m tall with an inclination of 15º. They are located on the sides of the Plaza Castilla, north from the Paseo de la Castellana and near the CTBA skyscraper park.The buildings which are now owned by Caja Madrid and Realia. (Photo by Miguel Pereira/Cover/Getty Images)