A 175-room Marriott hotel is to open on a landmark site in Novosibirsk, while Irtuksk is set to get both a Kempinski and a Hyatt.
The sensational discovery could lead to a much clearer understanding of a blast which was 1,000 times more powerful than the Hiroshima bomb.
11 international terrorism cells 'terminated' in the last two years.
Separately, 18 frozen bear paws hidden in coal cargo train nabbed by customs.
Video shows moment driver loses control, and his car flips over before crushing the raised platform where the marshals watched the race.
It almost looks like a lawn mower being pushed across a frozen river. What's going on?
Huge progress as Russia's $5 billion cosmodrome is readied for first launch.
From the Pacific in the east, to the Urals in the west, hardy Russians display their religious feelings - and bravery.