Actors depict a "caveman mating" in Liverpool, England in 1930.

Knife thrower Signor Arcaris with his sister Miss Rose Arcaris as part of PT Barnums circus in the US, 1900.

A man called "The Giant from Peru" is pictured next to an actor for scale, 1925.

An actress in The Netherlands, 1928.

A man and woman react to the air blowing at them on top of The Empire State Building in NYC, US in 1942.

Woman playing volleyball on stilts at Venice Beach, CA, US in 1942.

The running of the bulls in Spain, 1959.

Trying to move a statue, unknown location, 1946,

A girl stands on an alligator (labelled a pet but looks stuffed) in Louisiana, US in 1927.

A guard plays with baby tigers in the London Zoo, England in 1933.

Acrobats pose for a picture showing perhaps the countries strengths somewhere in the USSR, 1934.

Students goofing off for a picture in Berlin, Germany in 1910.

A female firefighting team on a special converted motorcycle in London, England in 1932.

Girls pose for a risque picture used on postcards in France in 1902.

The first class lounge on a commercial airplane headed to South America, 1950.

Female officers getting their service revolvers in San Fransisco, CA, US in 1949.

A group of traveling musicians in Japan, 1900.

Traders carrying a whole lot of goods somewhere in China, 1903.

Two young ladies in traditional dress in Mongolia, 1925.

A couple stands near a statue in an unknown location, 1951.

Children surround a lion during a show on Charles Gay's Lion Farm in LA, US in 1934.

Firemen known as bomberos in Valparaiso, Chile in 1950.

Eugene Sandow, a male model and strongman somewhere in the US, 1912.

A policeman stops traffic so a cat can carry her kittens across in New York City, US in 1925.

A child hugs the six-time champion bloodhound named Leo of Reynalton at Crufts in London, England in 1935.