A rescue helicopter from Japan's Maritime Self Defence Force operates at sea during a major earthquake drill in Yokosuka. Some 600,000 people across Japan took part in the disaster drills to prepare for a major earthquake. Background is USS amphibious landing ship Essex (rear) taking part in the drill. (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.