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

A row of workers manually sorting letters at a post sorting office.

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.

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

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

Hands of an unidentifiable man manually sorting letters at a post sorting office.

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'

Side view of non-professional American Baseball player wearing Yankee uniform swinging baseball bat repeatedly during practice on pitch then hitting ball

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.

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.

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.

China: Migrant workers on an assembly line ironing garments in a clothing factory.

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.

Toronto, Canada: Pan across rows of windows in high rise office blocks.

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

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.

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

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.

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

General view of non-professional American Baseball players, wearing Yankee uniforms, playing during practice. Player seen swinging baseball bat repeatedly in distance then hitting ball and running

Female workers wearing overalls and hairnets working on a chocolate factory production line packing brightly-coloured chocolates into boxes.

Low angle shot of the CN Tower reflected in the mirror-like windows of a tall, glass-walled office building in Toronto, Canada.

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.

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.

Sequence of green bottles moving on conveyor belts in a brewery.

Top shot looking down over lines of cars in traffic moving along road following each other