Remarkable images show a test tube blood sample from a female of the long-extinct species.
This famous ballet troupe toured the UK, becoming unique cultural ambassadors and putting their native Krasnoyarsk on the map in the West.
The fatal accident was some 200km east of Tyumen in Siberia when an oncoming car struck a 1970 Chevrolet C10 driven by Emma Wilkinson, 47.
Little orphaned cubs given fresh chance after being rescued and then adopted and nurtured with the help of zoos and vets.
The aim? To put in place a Moscow government 'friendly' to Washington, and to protect US interests and citizens.