FILE PHOTO: Britain’s Queen Elizabeth II smiles during a visit to open the Sainsbury Laboratory for Plant Sciences in the University of Cambridge Botanic Garden, in Cambridge, England, Britain, April 27, 2011. REUTERS/Andrew Winning/File Photo
FILE PHOTO: Britain’s Queen Elizabeth II smiles during a visit to open the Sainsbury Laboratory for Plant Sciences in the University of Cambridge Botanic Garden, in Cambridge, England, Britain, April 27, 2011. REUTERS/Andrew Winning/File Photo