another important artist, jenny holzer is doing an electronic piece that is surrounding the glass on the bus deck level. jenny works primarily in led's. she plans to do text based on the history of san francisco's literary community, a very exciting program and one that brings all of these -- all of these move throughout the day, so it will bring a great deal of animation to the building. james carpenter, another established international artist, is working with us on the shot alley underpass, designing the ceiling and seating elements. here you can see some details of his benches and flooring material. it is intended to be a light source as well as a place of comfort. here you can see in the ceiling of shaw alley, just behind those words are the benches. a san francisco artist, ned khan, is designing a fountain that will run 1,400 feet in length, but is triggered by the activity of buses. there are sensors in the ceiling of the bus deck that see where the buses are. when they move, it triggers a fountain at the bottom level, so that the shape of the bus and water will move from one e