A polar bear carves out a bed from a small iceberg before drifting off to sleep in the far north, off Norway's Svalbard archipelago. Nima Sarikhani/Wildlife Photographer of the Year ...

Polar Bear and Penguin The Ark ★★★☆☆ The world is warming up, the ice is melting and two creatures from either side of the globe find themselves sliding together.

The first astronauts to enter a polar orbit chose the obvious animal to serve as their zero-g indicator: a plush polar bear. The doll also has an emperor penguin embroidered on its chest.

A sleeping polar bear and some sociable penguins are among the images shortlisted for the Wildlife Photographer of the Year People’s Choice award ... together with the solutions.

The first astronauts to enter a polar orbit chose the obvious animal to serve as their zero-g indicator: a plush polar bear. The doll also has an emperor penguin embroidered on its chest.

Will the prize go to a picture that reflects the pristine beauty of the natural world, or one that shows the potentially devastating impact of human beings on their surroundings?