More craters expected to form due to such eruptions as permafrost melts - and they ARE caused by global warming releasing methane gas.

Or is it too expensive to put the environment before the need for energy?

Giant holes created when pingos erupted after filling with gas.

But then Siberia also has no less than SEVEN real Santa figures, and you can meet them all here.

Pipes are built over bulging and unstable Arctic pingos prone to violent eruptions caused by 'thawing methane gas', as seen twice on the Yamal peninsula this year.

Seasonal greetings from the east of Russia where there are no less than seven different Father Christmas figures to bring joy to children in winter. 

Seasonal greetings to all parts of the world marking Christmas Day on 25 December, even though we have to wait a little longer!

Map of shame: Greenpeace highlights junk and debris in dozens of sites across the 'pristine' environment.

More than 20 calves born although park keepers say there could be more.