The new 6.5 kilometre rail link will open in 2017 across the world's 10th longest river.
The Russian president spoke after flying over devastated settlements, and fields were crops have been destroyed.
As it arrives, cosmodrome is hit by claims it is victim of 'fraud of the century'.
In earlier case, brown bear plundered graves and ate human remains.
230 wildfires rage in Russia’s coldest republic of Yakutia, with state of emergency declared in Krasnoyarsk and Irkutsk regions.
New technology to be tested on heating stations in eastern Russia.
Baby big cat was only four or five months old, sparking concern for the animal’s mother and any siblings.
Police find gunman who shot the female big cat.
Animal charity WWF Russia in plea for help to prevent repeat of 1980s winter crisis that killed 90% of species in the region.