Dressage horse and rider (@ imagebroker.net/SuperStock)

Dressage horse and rider (@ imagebroker.net/SuperStock)

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Shooting complex at the Royal Artillery Barracks in London, England (@ Ben Stansall/AFP/Getty Images)

Shooting complex at the Royal Artillery Barracks in London, England (@ Ben Stansall/AFP/Getty Images)

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A golden snub-nosed monkey plays in a tree in the Qinling Mountains, Shaanxi province, China (@ Ma Xiaobo Photography China/Corbis)

A golden snub-nosed monkey plays in a tree in the Qinling Mountains, Shaanxi province, China (@ Ma Xiaobo Photography China/Corbis)

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Boats leaving their stations at the start of a race at Eton Dorney, in London, England (@ Rob Taylor/age fotostock)

Boats leaving their stations at the start of a race at Eton Dorney, in London, England (@ Rob Taylor/age fotostock)

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ExCeL Centre Phase 2 East Entrance in London, England (@ Edmund Sumner/age fotostock)

ExCeL Centre Phase 2 East Entrance in London, England (@ Edmund Sumner/age fotostock)

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Detail of the Velodrome at the London 2012 Olympic Park in Stratford, London, England (@ Anthony Collins Cycling/Alamy)

Detail of the Velodrome at the London 2012 Olympic Park in Stratford, London, England (@ Anthony Collins Cycling/Alamy)

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Swimming pool at the Aquatics Centre in the Olympic Park in Stratford, London, England (@ GEOFF CADDICK/epa/Corbis)

Swimming pool at the Aquatics Centre in the Olympic Park in Stratford, London, England (@ GEOFF CADDICK/epa/Corbis)

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