Nicknamed Forrest Gump, he completes a 9,905 kilometre odyssey braving temperatures as low as minus 48C on his 18 month adventure.
Fears for plan to stimulate Russian economy via major infrastructure links to Asia and Europe as Beijing announces rival scheme.
No danger of radiation in the Russian Far East from blaze caused by welding accident, insist experts.
Homes underwater in this Far East city, but Russia escapes the worst of destruction.
Possible route could see 400km/hour bullet train pass through heart of Siberia and Altai region with stops in major cities.
The rare predator learns to hunt in the rehabilitation centre, and the first lessons are hard.