The document summarizes details about the Agbar Tower building in Barcelona, designed by French architect Jean Nouvel. It notes that the Agbar Tower is a 473 foot tall building constructed between 2001-2004 near Plaça de les Glories Catalanes, and has over 4,500 LED lights that can change colors. The document also lists some of Nouvel's other notable buildings around the world and discusses how he is recognized internationally for his innovative architectural designs.