Construction crews demolish the north side of the Mulholland Bridge over the closed 405 freeway during Carmageddon on September 29, 2012 in Los Angeles, California. The 405 Freeway is completely shut down for a 10 mile stretch this weekend for the demolition that is part of a larger $1-billion freeway improvement project. (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.