Ronda Building – Zaragoza, Spain

The Zaragoza International Expo took place in the summer of 2008 with the theme of "Water and Sustainable Development", and the area was designed to be transformed into a business park when the exposition was completed. Ronda which is one of the main buildings of the Expo has now been turned into a colorful and sustainable office. Topped with green roofs and outfitted with bright vertical louvers, the office building makes excellent use of natural daylight and harvests solar energy with photovoltaic panels. The curvilinear facade of the Ronda building has been outfitted with orange, yellow and red vertical louvers…