Neil Buckley travels 2,000 miles by train from Irkutsk to Vladivostok to discover why President Vladimir Putin, increasingly feared and distrusted abroad, enjoys rising popularity at home. Watch part 5 – Russia’s new fleet
Also available: full transcript of the Khodorkovsky interview

Part 1 – Irkutsk: With a new middle class based on oil and gas, Irkutsk is a remote city on the up