Unique Paleolithic prize for scientists, a jaw of an early human who 'feasted on woolly mammoth' - but may have been cannibalised.
The skill of ivory softening was used more than 12,000 years ago to make tools - or decorations - that still puzzle modern science.
A study suggests cannabis, magic mushrooms and ecstatic dancing was used as ancient anaesthetic.
But how did ancient artists create prehistoric masterpieces on sheer cliffs today only accessible by sophisticated modern climbing equipment?
Sunduki is called the Siberian Stonehenge, yet its site is older than the British standing stones, and arguably 'more mysterious'.
Over 300 years old, the 'jetons' - used in lieu of coins or for counting - were found along with artifacts hoarded by the Northern Selkups.