Ramon Espinoza, from Craftsman Concrete Cutting, cleans Big Blue Buses 200-foot long programmable glass art wall on Colorado Ave on Monday, June 28, 2010. The public art piece utilizing special translucent glass panels that change colors and patterns to simulate movement along its glass skin. The dynamic blue wall  is a series of curved segments composed of deep blue glass and silver metal. The wall, designed by noted artist Dan Corson, helps provide privacy for the expanded lot, and is visible both day and evening hours. In addition to its glass panels, the wall will also incorporate a unique bus stop at one end.