AD Classics: Puerta de Europa / Philip Johnson & John Burgee

Flickr / Strocchi

The twin office towers known as Puerta de Europa I and II located in , Spain defy the typical conventions of skyscraper construction. Designed by American architects Philip Johnson & and commissioned by the Kuwait Investment Office (KIO), these structural expressionistic towers straddle one of Madrid’s most important boulevards – the Paseo de la Castellana. More details after the break.