Remains of a hot air balloon is seen at the site of an accident in Luxor on February 26, 2013. A hot air balloon exploded and plunged to earth at Egypt's ancient temple city of Luxor during a sunrise flight, killing up to 19 tourists, including Asians and Europeans, sources said. (AFP/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.