WINDSOR, ENGLAND - APRIL 30: Prince Philip, the Duke of Edinburgh and President of the United Arab Emirates, His Highness Sheikh Khalifa bin Zayed Al Nahyan inspect an honour guard comprised of members of the 1st Battalion Welsh Guards during a ceremonial welcome in the quadrangle of Windsor Castle on April 30, 2013 in Windsor, England. President Sheikh Khalifa begins a State visit to the UK today, the first for a UEA President in 24 years. Sheikh Khalifa will meet the British Prime Minister David Cameron tomorrow at his Downing Street residence. (Photo by Ben Stansall - WPA Pool/Getty Images)
