A general view shows the entrance to the Sheikh Suleiman base, some 25 kilometres (15 miles) northwest of the city of Aleppo on December 9, 2012. Radical Islamist rebels seized large swathes of the Syrian military base, as they consolidated their control over territory in the north near the Turkish border, an AFP journalist said. Sheikh Suleiman sprawls over nearly 200 hectares (500 acres) of rocky hills. (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.