Paris, France: Young couple touch their heads together then man takes photograph of female sitting on wall of the Place de Chaillot, with the Eiffel Tower (La Tour Eiffel) and the road running underneath it seen in the background

Close-up shot of a toucan sitting on a branch.

Paris, France: Exterior of the "Cafe Du Marche" cafe in Paris with traffic driving past, single man can be seen sitting at table on pavement under canopy then a waiter brings him a drink

A Woolly monkey sits on thick branch, looking down, then crawls along the branch.

A silverback mountain gorilla sits calmly in dense vegetation, picking at leaves to eat, in the Virunga National Park, Democratic Republic of Congo.

Two large 'fluffed up' eastern chimpanzees are sitting down in a forest clearing. One chimpanzee yawns and scratches his eye and head.

Rome, Italy: Close up view of stone frog sculptures sitting on edge of basin of fountain called the Fontana delle Rane (Fountain of Frogs).

Berlin, Germany: Back view of scupltures of three naked females sitting on wall along River Spree as cruise boat passes in evening light.

A silverback mountain gorilla in the Virunga National Park, Democratic Republic of Congo, sits among dense vegetation and looks into the camera curiously.

A Woolly monkey crawls along a branch. Its baby is clinging onto its side. The monkey sits down on the branch for a moment, then gets up to continue moving along the branch.

Two adult Woolly monkeys sit on a thick branch. One of the Woolly monkeys plays with the baby of the other monkey. The baby is clinging onto its mother.

Paris, France: Man sitting alone at table outside the "Cafe Du Marche" cafe in Paris as traffic goes past

Berlin, Germany: Side view of bronzes sculptures, alomost in silhouette, of three naked females sitting on wall by River Spree in evening sun, close view of head of one female.

A baby Woolly monkey clings onto its mother.

Berlin, Germany: Close view of hands on bronze statue of Karl Marx then camera tilts up to show head and shoulders of statue, in Marx-Engels Forum public park.

Berlin, Germany: Sequence showing view of tourists taking photgraphs of the sculptures of Karl Marx and Friedrich Engels in the Marx-Engels Forum public park.

An American black bear rests on some branches high up in a tree.

A Woolly monkey hides behind a thick branch, looking around suspiciously. It then moves onto a nearby branch, with its baby hanging from its back.

A family of Eastern chimpanzees relaxing in a forest clearing in the Gombe National Park, Tanzania.

A toucan flies from once branch to another in an enclosure in London Zoo.

Close-up shot of a family of Eastern chimpanzees relaxing in a forest clearing in the Gombe National Park, Tanzania. The baby chimpanzees are very restless and are pestering their parents. One of the baby chimpanzees is climbing all over its parents and ends up lying on the mother.

A toucan rests on a branch, snapping its beak, then hops out of sight.

A family of Eastern chimpanzees relaxing in a forest clearing in the Gombe National Park, Tanzania. When they wander off, the baby chimpanzee hangs onto its mother.

A Woolly monkey plays with the baby of another monkey. The baby is clinging onto its mother. The mother then wanders off with its baby.

A Woolly monkey scratches its leg. When it turns around, its baby is seen clinging onto its back. The monkey then crawls away with its baby attached to its back.

Close-up shot of a family of Eastern chimpanzees relaxing in a forest clearing in the Gombe National Park, Tanzania. The baby chimpanzees are very restless and are pestering their parents.

Close-up shot of a family of Eastern chimpanzees relaxing in a forest clearing in the Gombe National Park, Tanzania. The baby chimpanzees are very restless and are pestering their parents. One of the baby chimpanzees is climbing all over its parents and clinging onto them.

Berlin, Germany: Close view of feet on bronze statue of Karl Marx then camera tilts up to show head and shoulders of statue, in Marx-Engels Forum public park.

Close-up shot of a family of Eastern chimpanzees relaxing in a forest clearing in the Gombe National Park, Tanzania.