The Marco Polo, the world's biggest container ship, leaves Southampton docks on December 10, 2012 in England. On its first visit to Europe, the 54m (177ft) wide and 396m (1299ft) long container ship - which is 51m (167ft) longer than the Queen Mary II - will mostly carry consumer goods for delivery to shops for Christmas. (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.