A pigeon handler calls in his bird with the help of female pigeons which they hold in their hands during a pigeon racing tournament March 17, 2013 in Jakarta, Indonesia. Pigeon racing is a hugely popular 'backyard' sport in Indonesia with weekend tournaments offering refrigerators, stoves, TV's and cash as prizes for the fastest pigeons, the best of which can sell for hundreds of dollars. (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.