It’s official: design students at Iowa State University learn their craft in a LEED Platinum facility. The King Pavilion is the third Platinum building in Iowa, and one of the only design school buildings in the country to reach this highest level of certification. Designed by RDG Planning & Design of Des Moines, the wing features a green roof, extensive daylighting, blue jean insulation and other recycled building materials, among other sustainable strategies. Click through for more photos.