In just 100 days time the London Olympic Games will officially begin.
The motto for the games has been revealed - "Inspire a Generation" - and events are being held to mark the countdown to the opening ceremony.
10,500 athletes, 21,000 media people and 8.8 million ticket-holders will be arriving in the capital for the biggest sporting event on the planet.
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http://www.bbc.co.uk/newsround/17752254