Madrid is located in central Spain and was built around the Manzanares River. Some of the main attractions in Madrid include the Royal Palace from the 18th century, Almudena Cathedral completed in 1993, and Plaza Mayor, the main square in the city center. Other sights are the Cibeles Fountain, Debod Temple donated from Egypt, Gran Via boulevard lined with Art Deco buildings, El Retiro Park where royal families once entertained, and Puerta de Alcala gate commissioned by King Carlos III. Major museums in Madrid are the Prado housing works by Velazquez, Goya and Raphael; Reina Sofia featuring Picasso's Guernica; and Thyssen