If I Could Save Time in a Photo

Bethesda Fountain, Central Park, New York         Stephen Wilkes

How does one capture the passage of time in a still shot? Photographer Stephen Wilkes, who has taken a series of portraits of New York City that he calls Day to Night, shows us how he does it (video): http://www.cbsnews.com/video/watch/?id=50134920n&tag=mg;mostpopvideo