Nur - Light in Art and Science from the Islamic World is an amazing exhibition of 150 pieces shown until Feb. 9, 2014 at the FundaciĆ³n Focus-Abengoa, a cultural center in Sevilla, Andalusia, Spain. So if you happen to visit Spain, don't miss it!
http://www.nytimes.com/2013/11/08/arts/international/08iht-seville-Wonders-of-the-Islamic-Worlds-of-Art-and-Science.html?_r=1&