Two-thirds of Chinese side already completed, but delay in Russia prompts call from Kremlin to speed up work on other side.
33 hour journey between the capitals could be in place by 2020.
Giant Great Grey Owl hitches a lift on epic 5,700 mile journey to Moscow after injuring itself hunting.
'Turn to the East', which started a year ago, is gaining popularity
Possible route could see 400km/hour bullet train pass through heart of Siberia and Altai region with stops in major cities.
Modern-day zeppelins costing $30 million each would revolutionise transport links and economic exploitation of Siberia in $240 billion plan.
Rare historic pictures show Russia's last tsar as the first builder of the Trans-Siberian Railway 125 years ago this month.
The Kremlin's 'Mr Siberia' Viktor Tolokonsky tells 'Sphere of Influence' business magazine what our vast region means to him.