http://media.gettyimages.com/photos/riot-police-officers-stand-guard-at-the-entrance-of-the-old-museum-picture-id159349519?k=6&amp;m=159349519&amp;s=612x612&amp;w=0&amp;h=bDTLJ8tClVXfkvKNbTt7fJ-7IbvvZrTv6SIPr-n8x_M=