Driving over the ice on Siberia's lakes and rivers is safe in deep winter - but in April?
Altai route for gas to China could take priority, reported Reuters.
Dignitaries gather on Chinese side of the pipeline to witness the formal welding of the first joint in $55billion line.
Agreement means Power of Siberia pipe could be delayed, it is claimed.
Gazprom says operations are 'in full swing' with work due to start soon on iconic pipeline to provide gas on eastern route.
After months of speculation, parliament and President rubber-stamp deal that will see gas sent to China.
Prosecutors studying video evidence of men shouting 'squash him!' seconds before impact with animal on track.
Drivers take 12 days covering 7,000km to see how new 'plug-in' rechargeable cars cope with climate and landscape.
Driver records footage of strange funnel on dash cam.
Nowhere in the world runs its roads, trains and airports as well as Siberia during the harsh winters.