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.
POPE MOBBED BY THOUSANDS OF WORSHIPPERS IN RIO - Thousands of worshippers gather to celebrate the Papal visit on Copacabana beach, Rio de Janeiro ,Brazil .
LOCATIONS bursting with vibrant greens and chestnut browns, these photographs capture the peaceful English countryside in all its glory .
ALL IS not as it seems in these deceptive cityscapes .
An Italian photographer travelled to Chile where he visited several star-gazing sites, home to some of the world's most advanced telescopes, located in the spectacular setting of the Atacama desert .
STAIRWAY obsessed photographers have captured psychedelic shots that will mesmerise you .
SOARING through the air, this is the moment a hungry tawny owl arrives home with dinner .
BALANCING 30 metres above ground, these slackliners take the expression of living dangerously one step further, by tightrope walking NAKED .
PERCHED on a branch, these two frogs hold hands as they look into the camera .
A WIMBLEDON-mad couple will be creating a racket this summer - after installing a TENNIS COURT in their living room .
With one hand rested on his belly and the other propping his head up, this lazy lizard takes an afternoon break .