Images of the week: Singapore, Sofia, Mexico City // Images of the week: Singapore, Sofia, Mexico City (© 2013 RELAXNEWS)

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Images of the week: Singapore, Sofia, Mexico City

Cheerleaders wait in line before taking part in the New Year's Day Parade in central London on January 1, 2013. London bade farewell to a golden year of Olympic and royal spectaculars with a fireworks extravaganza over the River Thames that welcomed in 2013.