Olympic poster exhibition
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London 2012: Exhibition to celebrate 100 years of Olympic posters

Art may not be the first thing that comes to mind when you think of the Olympic Games but it does play a very important part.

For the world's artists the posters for the Games are a much coveted commission.

To celebrate their talent, a collection of them from the last 100 years is now on show in London.

Wendy Urquhart reports.

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