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One of the world's longest trains

Simon Reeve continues his epic journey around the world following the Tropic of Cancer, the northern border of the tropics region.

The second leg of the journey sees Simon travel on one of the world's longest trains in Mauritania.

After travelling around the Tropic of Capricorn and the Equator, this series completes Simon's trilogy of journeys exploring the amazing tropics region with his toughest, longest, most ambitious challenge yet.

Release date:

Duration:

2 minutes