. "1996" . . "1989" . "Puerta de Europa"@en . "Gate of Europe"@en . "The Gate of Europe towers (Spanish: Puerta de Europa), also known as KIO Towers (Torres KIO), are twin office buildings in Madrid, Spain. The towers have a height of 114 m (374 ft) and have 26 floors. They were constructed from 1989 to 1996."@en . . . "26"^^ . . . . . .