Hand-painted models depicting a lion's head, pose for photographers during a photo-op in central London's Carnaby Street, on June 3, 2014. It was part of events marking the opening of the Zoological Society of London's first ever pop-up shop on the famous street, part of the Lions400 campaign to expose the plight of the endangered Asian lion. (Photo by Lefteris Pitarakis/Associated Press)
