Prince Charles and the Duchess of Cornwall in Oman: more pictures
Camilla, Duchess of Cornwall visits the Omani Women's Association in Muscat on the ninth day of a tour of the Middle East on March 19, 2013 in Muscat, Oman. The Royal couple are on the fourth and final leg of a tour of the Middle East taking in Jordan, Qatar, Saudi Arabia and Oman. (Getty Images)
From underwater mining to luxury yachts, Mohammed Al Barwani has interests in a staggering range of industries. The chairman of MB Holding explains how he built the firm from scratch to become a billion-dollar player.