What lies beneath this building site? Britain's great hope of winning the pre-WW2 arms race against Nazi Germany. The “Shadow Tunnels” under Birmingham's Longbridge site in are the remnants of Lord Austin's secret plans that were hatched to bolster British military might in the face of German military aggression. Pictures show the site where munitions workers produced the Merlin engines that powered the Spitfires and Hawker Hurricanes used to win control of the British skies during the Battle of Britain in 1940. Local urban explorer Tom Robinson, 20, delved into the tunnel to bring back exclusive picture of Great Britain's hidden wartime heritage
A hungry hippo is seconds away from catching a bird in its gigantic jaws .
An elegant snowy owl spreads her wings and glides effortlessly above the snow covered field .
A kingfisher’s bright blue and orange feathers glisten in the sunlight as the bird dives into a lake .
A little caterpillar fearlessly scampers down a branch and confronts a praying mantis .
It's incredible to think anyone could live in such horrendous squalor - yet two men have been prosecuted for keeping their homes in such revolting conditions that it was no longer fit for their animals .
STAIRWAY obsessed photographers have captured psychedelic shots that will mesmerise you .
BALANCING on top of a tree, this bear cub puts her climbing skills to the test .
A brave leopard kicks back and relaxes in the sunshine - just inches from an enormous crocodile .
LINED up one by one on a deer’s back, these little birds give their wings a break as they catch a ride across London .
NEVER mind being careful not to choke on your food, this mother bird has a bigger challenge on her hands, as her ravenous offspring impatiently launches its head down into her stomach .
VIBRANT bursts of colour fill the screen as beautiful flowers blossom in these time-lapse videos .
A diver looks like a minnow as she swims alongside a gigantic whale shark, the largest species of fish on the planet .