This cheeky macaque gets up close and personal as he examines the dental hygiene of his fellow primate. Using his fingers to prise open his friend's mouth, he carefully inspects his teeth, searching for any unwanted visitors. The hilarious photographs were captured by British photographer David Williams, 41, on a visit to Tama Zoo, in Hino, Japan. David, from Bangor, Wales, says: “In these pictures you can see a macaque looking inside a friend's mouth, searching for fleas or insects.
Full of tired and busy commuters, these underground stations are rarely admired for their architecture or beauty .
SWIMMING next to 40 tonne whales, dare-devil divers take the plunge with these gentle giants of the sea .
VENTURING into the ocean with self-made spears and nets, the fishermen of Zanzibar put their lives on the line when they catch food for their families .
A SPECTACULAR array of stars fills the night sky as they soar over this active volcano .
A diver explores the crystal clear waters of the Silfra canyon in southern Iceland, which is the only place on Earth where you can dive or snorkel between two continental plates .
CONTRASTING settings reveal some of England’s most beautiful landscapes in all their glory .
A pair of snarling foxes go paw-to-paw and brawl after unexpectedly crossing paths .
Armed with a snorkel, flippers and her skimpy bikini, an intrepid female free diver swims alongside an array of reef sharks .
CLIMBING, falling and tugging on his weary mum, this little orangutan is up to all kinds of trouble .
As sunlight cascades through its vibrant stained glass windows, every inch of the Nasir-ol-Mulk Mosque bursts with colour .
Peering curiously into a basket hanging off the arms of a snowman, this little squirrel appears fascinated by the snowy figure .
BEHIND the doors of this building, with its stacks of mattresses and discarded remains of wheelchairs, lies another victim of austerity cuts .