Striking ground personnel stand next to the main arrivals and departures board at Tegel Airport on March 2, 2012 in Berlin, Germany. Over a hundred baggage handlers and ticketing agents employed by Globe Ground launched a three-and-a-half hour warning strike as part of a dispute over wages that delayed flights at Tegel. Labour union representatives warned of similar disruptions to come at Berlin's Schoenefeld Airport. (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.