Langdale Forest, England: Wide view of logging machine cutting down pine tree in forest, mechanical arm of machine lifting up felled tree, back view of man operating heavy machinery, close shot of hand on controls.

Beijing, China: Various shots of heavy traffic moving along the conjested city streets of Beijing.

Slow motion panning shot of a herd of musk ox storming across white snow, their thick fur moves heavily as they gallop.

Medium shot of a beluga whale occasionally blowing as it surfaces from a sun drenched ocean.

Arctic, Wide shot of a polar bear emerging from icy waters onto sheet ice and yawning tiredly.

Side view of Blue Whale swimming underwater slowly past camera from right to left, swimming just below surface of water

Arctic, Wide shot of a polar bear plodding slowly across deep white snow.

Venice Beach, California, USA. An unidentifiable body-builder works out using a resistance machine.

Manatee swims along sea floor with rays of sunlight reflecting across its body. It approaches the camera then turns to the left.

Medium close up of a elephant drinking from a waterhole.

Wide shot of a herd of elephants plodding across dry land and scattered greenery. A blue sky contrasts with drab, brown dirt.

Medium shot of a group of African elephants walking in a single file past a watering hole.

Aerial slow motion tracking shot of a polar bear running across snow covered pack ice.

Medium shot of a lone elephant standing in arid terrain, it kneels to drink from a waterhole.

A body-builder wearing a baseball cap and sunglasses works out on a rowing machine. The camera zooms in and out on the machine in synch with the body builder's movements.

Medium shot of a beluga whale occasionally blowing as it surfaces from a sun drenched ocean.

Side view of a head and body of Blue Whale swimming past camera underwater right to left very slowly

Close view of grooves (ridges) on underside of Blue Whale swimming slowly past camera underwater, whale partially breaks through surface of water

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

Large tree with green leaves topples down in forest and falls to the floor showing cut at base of tree

Low angle shot of elephants stomping across dry ground. A blue sky can be seen in the background.

Top shot looking down on Blue Whale swimming underwater very slowly, whale can barely be seen

Close up of a female's hand gripping a machine in a gym as weights move up and down.

Side view of Blue Whale swimming diagonally upwards underwater from left to right, camera passes over whale's body as it swims away

Medium shot of streams of refugees carrying firewood as they meander over grasslands in Zaire.

Cloudy view of large Blue Whale very slowly swimming along sea underwater from left to right then disappears until only tail seen, ridges on throat can be seen

Blue Whale swims towards camera underwater, side view of head seen as it partially breaks through surface of water as whale passes camera slowly from left to right

Partial view of a Blue Whale swimming just under the surface of the sea underwater, whale is very slowly flipping tail causing water disturbance

Partial view of a Blue Whale swimming downwards diagonally underwater very slowly

Top shot looking down on Blue Whale swimming underwater very slowly

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

Medium shot of african elephants leading calves through green bushlands.

Close up of a woman in orange exercising top as she lifts weights above her head in a gym. Detailed shots of her back and moving muscles.

Scotland. Two teams of men engaging in a tug-of-war at Highland Games. Crowd look on in background. Royal standards visible in background.