Polar bear dance
 

Some amazing photos in this selection

http://static.guim.co.uk/sys-images/...test-N-009.jpg

Polar Dance. For centuries polar bears have gathered along the western shores of Hudson Bay during late October and early November waiting for the bay to freeze. Here, two adults appear to dance

Photograph: Thomas D. Mangelsen/iLCP

http://www.guardian.co.uk/environmen...aphs-earth-day