2909022 A \'Cowgirl\' stands astride two Llamas during a visit to London Zoo, in 1924 (b/w photo) by Bond, Frederick William (1887-1942); Zoological Society of London; (add.info.: The first International Rodeo or Cowboy Championships were held in Wembley as part of the British Empire Exhibition in 1924. The\' Cowgirls\' performed to over 100,000 people at Wembley Stadium in June 1924.); 穢 Zoological Society of London ; British, out of copyright.