Article Photos: San Francisco's 'other' bridge prepares to shine 1/4

In this Wednesday, Feb. 20, 2013,  photo,lights are turned on along the western half of the San Francisco-Oakland Bay Bridge on Pier 14 in San Francisco. The San Francisco-Oakland Bay Bridge has been turned into the latest, and by far the biggest, backdrop for New York artist Leo Villareal, who has individually programmed 25,000 white lights spaced a foot apart on 300 of the spanâs vertical cables to create what is being billed as the worldâs largest illuminated sculpture. (AP Photo/Jeff Chiu)