Video and pictures show experts conducting initial autopsy on the extinct creature preserved by permafrost.
New find expected to 'change our understanding of the evolution of animals'.
Underground cryostorage facility will become largest in world, using Siberia's permafrost to naturally safeguard food and plants for 100 years.
After this year's discovery of uncongealed mammoth blood, experts are confident of new discoveries.
Exclusive pictures show autopsy on a four year old bison preserved in ice since ancient times.
Brain of young female Yuka, preserved in permafrost for 39,000 years, is 'identical' to today's elephants, say scientists.
Proof that lions roamed northern Siberia in the age of the mammoths and woolly rhinoceros.