Los Angeles is a desert. In the summertime, it can be well over 100 degrees. There's a tremendous amount of thermal load; it's almost like the space shuttle re-entering the atmosphere. So, if you're not used to a warmer climate and you come here, you notice quite a difference. What we were trying to do with the Hilton, is reduce energy usage, increase guest comfort, and because it's a Hilton, have a WOW factor. View Dynamic Glass is the solution that met all three criteria. The heat and glare have been eliminated and the views are spectacular. We've reduced the energy use by $20,000 to $30,000 a month.