Merry-go-round carousel at Christmas fairground and market, Winter Wonderland, in Hyde Park, London

Merry-go-round carousel at Christmas fairground and market, Winter Wonderland, in Hyde Park, London

Young Indian boy celebrating annual Hindu Holi festival of colours with powder paints in Mumbai, formerly Bombay, Maharashtra, India

Happy Indian children in typical Rajasthani village of Nimaj, Rajasthan, Northern India

Happy Indian children in typical Rajasthani village of Nimaj, Rajasthan, Northern India

Chinese traditional dancers in Shanghai, China

Happy Indian children in typical Rajasthani village of Nimaj, Rajasthan, Northern India

Chelsea Pensioners at Royal Hospital Chelsea for Founder's Day Parade, London, UK

Horse sculpture lifesize in fibreglass, Oxfordshire, United Kingdom

Winner being led to Winner's Enclosure at Cheltenham Racecourse for the National Hunt Festival of Racing, UK

Schoolchildren in Trenchtown, Jamaica

Tourists taking photographs at Sydney Opera House, New South Wales, Australia

Woman at doorway, Paro, Bhutan

Mardi gras parade in Koblenz, Rhineland-Palatinate, Germany:marching band

Teenagers (left to right: Emma Teal Laukitis, Marin Lee and Lindsay Henkelman) sled on a sunny winter's day in Homer, Alaska on January 13, 2008.