Texas, USA. Cattle grazing in a grassy field with a 'nodding donkey' oil pump in operation in the background.

A column of Chinese soldiers carrying rifles march in unison through Tiananmen Square in Beijing, People's Republic of China.

USA. A 'nodding donkey' oil pump in operation surrounded by leafy trees. Heat creates a visible haze effect in the air.

USA. Medium close up view of a rusted 'nodding donkey' oil pump in operation.

USA. Close-up view of a 'nodding donkey' oil pump in operation framed against a blue sky.

Sequence showing various clockfaces of historical clocks and timepieces, clocks have Roman numerals on. Can also see pendulums swinging and cogs turning.

Barrow Island, Australia. A 'nodding donkey' oil pump silhouetted against the setting sun. A golden glow fills the frame.

A 'nodding donkey' oil pump in operation viewed through leafless twigs in Texas, USA.

Barrow Island, Australia. A 'nodding donkey' oil pump silhouetted against the setting sun. Clouds creep across the sun's face.

Barrow Island, Australia. A 'nodding donkey' oil pump silhouetted against the setting sun. Clouds creep across the sun's face.

Siberia, Russia: Oil wells and pumps at Yukos Oil's main operation unit 'Yuganskneftegaz'

A column of Chinese soldiers carrying rifles marching in Tiananmen Square, Beijing, People's Republic of China.

USA. Wide view of 'nodding donkey' oil pumps operating in a green oil field.

USA. A 'nodding donkey' oil pump in operation surrounded by palm trees.

Barrow Island, Australia. Low-angle view of a 'nodding donkey' oil pump operating against a blue sky background.

The Royal Guards' brass band dressed in red tunics and carrying brass musical instruments and drums perform in front of crowd, while marching in front of Buckingham Palace in London, England. The brass band is followed by parading soldiers in black uniforms carrying rifles.

Close-up view of a 'nodding donkey' oil pump in operation silhouetted against a golden sunset in Texas, USA.

A 'nodding donkey' oil pump in operation silhouetted against a golden sunset in Texas, USA.

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.

Close up view of the hands of an unidentifiable drummer rapping drumsticks on a waist-mounted snare drum while marching as part of the Fourth of July / Independence Day celebrations in Washington DC, USA.

Couples dancing in the open air.

Barrow Island, Australia. A 'nodding donkey' oil pump operates on red soil against a blue sky background.

USA. Medium close up view of several 'nodding donkey' oil pumps in operation. Heat creates a visible haze effect in the air.

Historical Astronomical timepiece demonstrating how planets move and rotate around each other

Barrow Island, Australia. Waste gas burns in bright flames in the foreground while a 'nodding donkey' oil pump operates in the background.

USA. 'Nodding donkey' oil pumps in operation framed against a blue sky.

Raindrops falling into a puddle of water developing on dry land.

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

Royal Guards dressed in red tunics and bearskins carry brass musical instruments and parade march in formation in front of Buckingham Palace in London, England in front of crowds.

Barrow Island, Australia. A silhouetted 'nodding donkey' oil pump operates in the background while waste gas burns in a bright flame in the foreground throwing a visible haze effect into the air.

Central African Republic: Pygmy tribe members dancing a tribal dance in a circle, silhouetted against blue sky.

Black and white footage of folk dancers dancing in a group in white outfits in the 1930s.

Barrow Island, Australia. A 'nodding donkey' oil pump operates on a grassy plain against a blue sky.

Colour film from the 1970s showing a couple disco dancing in darkened nightclub, the man is wearing glittery shorts with a long-sleeved top and the woman is wearing a tight gold dress and long gloves, a man is dancing behind them wearing leg warmers and showing his bottom

A column of Chinese soldiers carrying rifles crossing a bridge in front of the Mao Zedong Mausoleum in Tiananmen Square, Beijing, People's Republic of China.

Royal Guards wearing red tunics and bearskins (some carrying musical instruments such as drums) marching in an orderly style, through the gates of Buckingham Palace in early 1970s London, England. Tourists watch on from both sides.

Barrow Island, Australia. A silhouetted 'nodding donkey' oil pump operates in the background while waste gas burns in a bright flame in the foreground throwing a visible haze effect into the air.

Historical Astronomical timepiece demonstrating how planets move and rotate around each other

Low-angle view of a 'nodding donkey' oil pump in operation framed against a blue sky.

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.

A contingent dressed in American Revolutionary War costume and carrying rifles march in formation as part of the Fourth of July / Independence Day celebrations in Washington DC, USA. Spectators watch from the roadside.

Royal Guards wearing red tunics and bearskins marching in orderly fashion, in front of Buckingham Palace in early 1970s London, England.

Barrow Island, Australia. A silhouetted 'nodding donkey' oil pump operates in the background while waste gas burns in a bright flame in the foreground throwing a visible haze effect into the air.

Underwater. Pan around pulsating, colourful, poisonous jellyfish swimming in clear blue sea. Los Coronados, Southern California, USA. Close view of tentacles and body as it swims.