Liverpool fans sing 'You'll Never Walk Alone' during the Hillsborough memorial service marking the 25th anniversary of the Hillsborough Disaster at Anfield stadium on April 15, 2014 in Liverpool, England. Thousands of fans, friends and relatives took part in the service at Liverpool's Anfield stadium to mark the 25th anniversary of the Hillsborough disaster. Bells across the City of Liverpool rung during a one minute silence. A total of 96 Liverpool supporters lost their lives during a crush at an FA Cup semi final against Nottingham Forest at the Hillsborough football ground in Sheffield, South Yorkshire in 1989. (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.