We take a trip to Mount Mamai in the Republic of Buryatia, well-known to local snow fanatics, but still a secret to many outsiders.

Shoreline on remote island retreats by 74 metres in seven years due to increased wave power of unfrozen sea, and thawing permafrost.

Colourful election as bears, tigers and half-naked gymnasts vote in record-breaking result.

Almost 3 million hectares on fire, including Arctic, with fumes having hit area larger than European Union.

Adventurous Alyona plans to dance and play football on the roof of the world after beating competition to join polar team.

Experts undertake pioneering tests on skulls to finally understand how doctors carried out remarkable operations more than 2,300 years ago.

Part of Vasyugan Mire - the largest bog in the world - is to become a natural reserve this year, say reports.

He is believed to be 20, born in the wild, never went to school, received no vaccinations, and was cut off from civilisation.