In this Wednesday, Feb. 20, 2013, photo, Artist Leo Villareal poses 

In this Wednesday, Feb. 20, 2013,  photo, Artist Leo Villareal poses for photographs as he operates lights on 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 span’s vertical cables to create what is being billed as the world’s largest illuminated sculpture. (AP Photo/Jeff Chiu)
Associated Press
In this Wednesday, Feb. 20, 2013, photo, Artist Leo Villareal poses for photographs as he operates lights on 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 span’s vertical cables to create what is being billed as the world’s largest illuminated sculpture. (AP Photo/Jeff Chiu)
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