Chunks falling off the Perito Moreno glacier in Santa Cruz, Argentina.

Base jumpers leap in unison off a tall Tower, the Menara Telecommunications Tower in Kuala Lumpur, Malaysia. Their parachutes open as they fall through the air.

Two people on a raft are pulled along by a speedboat. They then fall off the raft and into the water.

Congo: A large leafy tree topples down in forest and falls to the floor at a deforested area.

Snow falling in a forest, a green branch of a conifer tree has a light snow coating on its green needles.

Close up of water droplet falling into water and creating crown effect in slow motion

Snow falling on branches of conifer trees. White snow flakes contrast against the green of the trees.

Autumn leaves falling from trees at a forest clearing. Plants on the forest floor appear covered in frost.

Medium shot of traffic moving through streets of Reykjavik at night as snow falls infront of street lights.

Congo: A large tree tumbles away from the camera and falls to the forest floor.

Close up of maple leaves beginning to take on autumn colours.

Medium shot of bright red autumn leaves hanging from a tree.

Low angle shot looking up towards a forest's canopy. Bright yellow of tree's foliage contrasts with a pale blue sky.

Medium shot of trees bearing autumn leaves in a mosaic of reds, yellows and oranges.

Two shots showing a forest scene in silhouette of pine trees against strong sunlight as a small bird lands on top of tree then flies off

Wide shot of a river cascading over rocks. Embankment is lined with trees adopting autumn colours.

A Dirigible (airship) catches fires in midair and plummets to earth.

Close up of a tree bearing orange autumn leaves. Pan out to show an abundance of colourful trees lining a lakefront and reflecting off the water.

A greenhouse structure collapses amongst the wreckage of previously demolished glasshouses.

Sewage water spilling out of a drain and onto the ground below.

Medium close up of a maple bearing bright red leaves. A river gushes past in the background.

Man jumps from a small plane in his orange skydiving overalls, he moves back and forth in front of the camera during freefall. The sky is vivid blue with sunshine.

A bungee-jumper holding a video camera leaps off the 892 foot / 272 metre high Bloukrans Bridge which arches over a deep, tree-lined ravine in Storms River, South Africa

Close up of heavy snowfall illuminated in a red glow by streetlights.

Medium shot of tall trees bearing autumn leaves in a medley of reds, oranges and yellows.

Various shots of a lion family. A lion cub jumps onto an adult lion and tumbles off landing on its back. Two lion cubs begin to play fight with one another. Lion cub licks and paws the nose of a sleeping adult lion. Lake Manyara National Park Tanzania, Africa.

Wide shot of water cascading over rockbeds into a still pool. Trees bearing autumn leaves line the bank.

Wide shot of trees adopting autumn colours lining the bank of a lake. Mosaic of reds, oranges and yellows reflect off the undisturbed water.

Close up of brilliant orange leaves with rushing water in the background.