Gelatinous zooplankton floats and drifts in the sea. It has black stripes inside which contrast against the blue ocean.

Antarctica: Large chunk of ice floating in the sea, gently bobbing to and fro in the waves which ripple around it.

Gelatinous zooplankton floats and drifts in the sea. It has red spots inside which contrast against the blue ocean.

Mass of tiny jelly fish floating near the sea surface, the camera moves though the swarm capturing close ups of individual jelly fish.

Swarm of pink jellyfish floating in the sea with the suns rays shining thought them against a pink background.

Purple and yellow balloons released from net. Balloons float off into blue sky

Gelatinous zooplankton floats and drifts in the sea. It has 7 Black spots inside which contrast against the ocean.

Golden yellow coloured seaweed gracefully floats in the sea with its leaves being wafted in the movement of the water.

Swarm of pink jellyfish float in the sea with the suns rays shining through them against a mauve background

Swarm of pink jellyfish float in the sea with the suns rays shining through them against a turquoise background.

Red Octopus descends to sea bed and floats to the sea floor where it rests with its tentacles curled.

Swarm of pink jellyfish float in the sea with the suns rays shining through them against a blue background

Swarm of pink jellyfish floating in the sea with the suns rays shining through them against a green background.

Two boats appear carrying lots of swans.

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

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.

A huge hot air balloon shaped like the head of the 19th century artist Vincent Van Gogh ascends into the sky.

Farallon Islands,California,USA: Slow motion underwater view of surfer sitting on surfboard paddling with hands seen from underneath board, rays of sunlight are shining through water

Mass of little pink jellyfish swarming against a blue background

Yachts in dock on Lake Windermere in Cumbria, England. The foothills of the Lake District are visible in the background

Close view of golden liquid in pint glass with white frothy head resembling beer or lager, camera zooms in to close view of rising air bubbles

Swarm of pink jellyfish with the sun sparkling on them against a turquoise background.

Farallon Islands,California,USA: Underwater view in slow-motion from underneath surfboard looking up at surfer's legs as surfer swims along on surfboard

Thailand, Chiang Mai: Mass of balloon lanterns released into the sky with firework sparks emitting from some.

Underwater shot from seabed towards the surface with tall kelp plants gently swaying in the water. The sun's rays pierce the water between kelps.

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

Mass of little pink jellyfish swarming against a mauve background

A pink jellyfish swims against a blue sea life background.

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

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

London, UK: Long view of a Thames lifeboat carrying three crew members travelling along the river Thames at speed

Aerial view over countryside landscape next to large rain cloud hanging over hills in the sky

General view of snowdrift with snow blowing across empty tundra

China: Close shot of a bright pink jellyfish with trailing pink tentacles swimming inside a tank (not seen) the surrounding water is bright blue.

Mass of little pink jellyfish swarming against a blue background

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

Large luxury yacht docked at a marina in Miami, Florida USA. The white yacht stands out from blue water and sky with its reflection seen in the water.

Close view of swirling white smoke rising up against dark background filling screen

Mass of little pink jellyfish swarming against a blue background

Surry, UK: Mid shot of a boatman decorating his boat with a royal banner

Mass of little pink jellyfish swarming against a mauve background

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

A bird covered in oil swims towards the shore and struggles to get out of the water.

Mass of little pink jellyfish swarming against a blue background

Berlin, Germany: Close view of hot air balloon advertising german newspaper "Die Welt" then camera pulls out to show panorama of city skyline.

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

Mass of little pink jellyfish swarming against a blue background