A pair of adorable polar bear cubs play-fight with each other in the Alaskan snow. Pictured on the coast of Kaktovik on Barter Island, the young polar bears roll around in the powdery snow as they tickle and wrestle together. Finishing their play-date, one of the cheeky bears teasingly sticks out its tongue before bounding towards their mother.
An aerial view of flooding in Gloucestershire .
At least three people have been killed and more than 100 injured, some seriously, in two explosions at the finish line of the Boston Marathon .
Soldiers standing guard outside the Woolwich barracks in London - Two terror suspects are under armed guard in separate hospitals in London after a serving soldier was hacked to death in the street .
A little caterpillar fearlessly scampers down a branch and confronts a praying mantis .
THIS DANGER-mad female pensioner could be the oldest Brit to cage dive with CROCODILES .
LYING back in the snow, these two polar bears share a cuddle as they call time out on playtime .
In the calm waters of Greenland, gigantic icebergs dwarf everything around them .
BEAUTIFULLY lit by the dim glow of lanterns, a cave in Iceland is transformed into the perfect wedding venue .
A soap bubble lands on the frosty ground and creates a shimmering snow globe as crystals form around it .
Armed with a snorkel, flippers and her skimpy bikini, an intrepid female free diver swims alongside an array of reef sharks .
A carefree bear cub reclines in the water with his feet raised in the air .