Rescue workers search for survivors from a collapsed resort gymnasium on February 18, 2014 in Gyeongju, South Korea. A resort building in the southern city of Gyeongju collapsed on yesterday, trapping 50 university students in the debris, according to published reports. (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.