People attend the Tanabata festival on July 6, 2013 in Tokyo, Japan. Tanabata is a Japanese star festival where people dress in traditional 'yukata' robes and write their wishes on strips of paper to hang on bamboo trees. (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.