Arrow1 from Team Arrow, Associated with Queensland University of Technology in Australia is driven during a testing session at Hidden Valley Raceway on October 2, 2013 in Darwin, Australia. Over 25 teams from across the globe will compete in the 2013 World Solar Challenge - a 3000 km solar-powered vehicle race between Darwin and Adelaide. The race begins on October 6th with the first car expected to cross the finish line on October 10th. (Photo by Scott Barbour/Getty Images for the World Solar Challenge)]
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.