In pictures: Busy 2013 for Abu Dhabi's Crown Prince Sheikh Mohammed

epa03663375 A handout picture made available on 15 April 2013 by Emirates News Agency(WAM) showing General Sheikh Mohammed bin Zayed Al Nahyan (R) Abu Dhabi Crown Prince and Deputy Supreme Commander of the UAE Armed Forces talking with Mayor of London Boris Johnson (2-R) in Abu Dhabi, United Arab Emirates. Johnson is making his first visit to Middle East, and the Gulf states including Dubai, Abu Dhabi and Doha to improve the business relations and look for new investment opportunities. The mayor hopes to raise billions of pounds of investments for London. EPA/WAM / HANDOUT HANDOUT EDITORIAL USE ONLY/NO SALES *** Local Caption *** 03663375.jpg