Simon's tweets from the Park in Progress tour

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Thirty thousand tickets for the Orbit tower in the Olympic park go on sale tomorrow. @itvlondon http://t.co/csFwmO6iN6

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Tickets include a bus ride into the Olympic Park and a chance to view building work from the Orbit. @itvlondon http://t.co/0XIvzn4dYe

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Park in Progress

ITV London has been given a sneak preview of the new Park in Progress tour, which allows visitors to see how the Olympic Park is progressing