The Torre de Cristal (Spanish for Glass Tower) is a skyscraper in the Cuatro Torres Business Area (CTBA) in Madrid, Spain, completed in 2008.

With a final height of 249 m (817 ft), it surpassed Torre Emperador as the tallest building in Spain, and is the fourth-tallest in the European Union.

It was designed by Cesar Pelli and built by Dragados.

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