Valuable obsidian travelled during Early Holocene times from Lake Krasnoe in Chukotka to Zhokhov Island deep in the Arctic.
Aircraft had been flying as part of a test flight following an engine change when it came down.
What I wasn't expecting was just how beautiful everything looked under the sparkling white blanket of snow.
Alla loves nothing more than taking pictures of her beloved pets – and it seems the world can't get enough of them either.
Agafya Lykova, 71, airlifted to hospital after suffering 'acute pains' in intense cold at her forest home more than 100 km from nearest town.
Spotlight placed on public service officials who failed to notice ice blocks on a canopy at flats as the spring thaw starts to arrive.
The president's visit to Novosibirsk honours one of the Soviet Union's great heroes but also set the course for future Russian military aviation.
Students and male 'accomplice' to face justice accused of torturing and killing dogs and cats, posting pictures online, and other crimes.
Tomsk student Ekaterina Bocharova, 21, wins competition against rival cat and tiger designs.
First cargo train on the final link of Amur-Yakutsk line in historic expansion of Siberia's great railways.