Photo of the Day

Associated Press
IMAGE DISTRIBUTED FOR SHELL - General View of the Opening Ceremony of the Shell Eco-marathon Challenge Europe at The Ahoy centre in Rotterdam, The Netherlands on Friday, May 17, 2013. Teams from universities all over Europe have brought their energy efficient cars to compete through the three-day challenge. (Ermindo Armino/AP Images for Shell)

View gallery

500 photos

View Comments (2)