311 Wacker. I just really like the color of this building. It's made of concrete, but I'm not sure if the exterior has some kind of paneling or if the concrete was colored... it reminds me of Texas pink granite, though.
311 Wacker. I just really like the color of this building. It's made of concrete, but I'm not sure if the exterior has some kind of paneling or if the concrete was colored... it reminds me of Texas pink granite, though.