LONDON - MAY 01: Prince Andrew, Duke of York looks on as (front L-R) Dr Sultan Ahmed Al Jaber, Minster of State and Masdar City CEO, and the UK Green Investment Bank plc CEO Shaun Kingsbury sign a ... more 
LONDON - MAY 01: Prince Andrew, Duke of York looks on as (front L-R) Dr Sultan Ahmed Al Jaber, Minster of State and Masdar City CEO, and the UK Green Investment Bank plc CEO Shaun Kingsbury sign a Memorandum of Understanding to explore project investment opportunities in the UK's clean energy sector with (back L-R) Sheikh Hamed bin Zayed Al Nahyan, Chairman of the Abu Dhabi Crown Prince's Court and Greg Barker, UK Energy and Climate Change Minister, at Buckingham Palace, on May 01, 2013 London, England. The signing comes as the President of the United Arab Emirates, His Highness Sheikh Khalifa bin Zayed Al Nahyan, is making a state visit to the UK. His Highness is due to meet with Prime Minister David Cameron today as three Britons, who were found guilty of drug possession, remain in prison alleging that they have been subjected to torture by police in Dubai. (Photo by Lewis Whyld - WPA Pool/Getty Images) less 
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Getty Images | Photo By WPA Pool / Getty Images
Wed, May 1, 2013 9:41 AM EDT