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TODAY marks 100 days before London Olympics begin

We're counting down to the 2012 London Olympics! Wednesday marked 100 days until the opening ceremony.

London is finishing up preparations to welcome the 15,000 athletes from 200 countries and millions of visitors who will descend on the city for the games starting July 27.

See a slideshow of the more than 30 venues that will host the events.

Twenty-four Team USA hopefuls stopped by the TODAY plaza in a double-decker bus Wednesday morning. Watch their triumphant entrance below.

Check back to this blog every day for the latest news on the games and a behind-the-scenes view of TODAY's Olympic coverage in London.

More on TODAY in London: 
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Olympic housing crunch: London landlords evict tenants