Levison travels from Armenia towards the Caspian Sea, where his journey will end. Travelling via the ancient valley of the assassins, he reaches Iran's capital, Tehran.
As the pair head into the remote mountains, they are sometimes forced to camp by the roadside. Levison and Rasheed are accompanied by a government minder before heading for the heavily policed border with Chechnya.
Explorer Levison Wood is taking on a new expedition in this five-part series, to cross the mighty Caucasus mountain range that lies between Russia and Iran.
Levison and his guide journey by any means available through Azerbaijan, a rugged country known as 'The Lands of Fire' before walking through a notorious village known as a breeding ground for IS fighters.
Levison continues his 2600 mile journey to explore deeper into the badlands of Dagestan, a region of Russia that the British Foreign Office warns against visiting under any circumstances.
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