A man and woman ride their London Cycle Hire bicycles over the grass in the afternoon sunshine in Green Park in Central London on February 25, 2012. AFP PHOTO/JUSTIN TALLIS (Photo credit should read JUSTIN TALLIS/AFP/Getty Images)
A man and woman ride their London Cycle Hire bicycles over the grass in the afternoon sunshine in Green Park in Central London on February 25, 2012. AFP PHOTO/JUSTIN TALLIS (Photo credit should read JUSTIN TALLIS/AFP/Getty Images)