Luna the panther was rescued from a travelling zoo when its mother refused to feed the cub.

Lyubov Morekhodova glides over the pure ice on skates made by her father not long after World War Two.

Soul-stirring images of eruption on the Klyuchevskaya Sopka caught by extreme travellers at altitude of 2,850 metres (9,350 ft).

Up to 500 mother bears a year give birth on remote Wrangel island, also the last place to see woolly mammoths.

The skill of ivory softening was used more than 12,000 years ago to make tools - or decorations - that still puzzle modern science.