Pakistan, Oct. 28 -- To say that Reza Pakravan has a thirst for adventure may be an understatement. He's absolutely gasping, it seems, to find outlets for his derring-do.

The 46-year-old has cycled 11,000 miles from Norway to Africa, fighting thieves and battling malaria along the way, biked across the Sahara Desert and undertaken a 4000-mile journey across the Amazon rainforest. That would be enough adventuring to last a lifetime for most. But not Reza.

Last year he was back on the wild frontiers of travel - this time journeying across the width of Africa from Senegal to Somalia via the Sahel, a belt of land stretching across the southern boundary of the Sahara Desert. It's an astonishing odyssey chronicled by new four-part show The Wo...