Crowd-sourced timelapse images capture Vegas strip, Vatican

Aired: 5/21/2015 | 0:01:09 | Clip
In our NewsHour Shares video of the day, researchers from the University of Washington and Google sifted through 86 million photos posted on public photo sharing websites to create a new kind of time-lapse photography of sites like a Norwegian glacier, a New York skyscraper and Mount St. Helens.