Kate Humble follows the extraordinary path of the ancient frankincense trade route through one of the most enigmatic nations on earth - the Kingdom of Saudi Arabia.
With unprecedented access, Kate enters the incredible world of the nation's richest man; she meets a remote mountain tribe whose ancestors once guarded the ancient trade routes and who live at the fringe of Saudi society today; and she discovers the treasures of an untouched and ancient shipwreck that once carried frankincense in the crystal clear waters of the Red Sea.
Travelling by camel, glider and boat she traces the 1,000-mile trail through the Kingdom and discovers an amazing modern nation and its people.
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