The Bush administration had hoped the treaty could be modified in time to allow it to begin constructing silos and a testing command centre in Alaska next spring.

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Founded in 1983 under the name Diversions, the company based at the Wales Millennium Centre in Cardiff is currently on a spring tour.

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And while the centre will not be fully open until the spring, it is already proving a hit with residents.

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Perhaps the leisure centre in Beaumaris where Plaid Cymru is holding its spring conference isn't its natural home - but the island is apparently the last place in Wales where the grey variety hasn't squeezed and crowded out the red.

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Guildford's tourist information centre also moved from Tunsgate to the High Street art gallery in spring 2011.

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These are the Wellcome Library, King's College London, the Churchill Archive Centre Cambridge, University of Glasgow, University College London and Cold Spring Harbor Laboratory.

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Shakespeare at the Tobacco Factory was set up seven years ago, and presents two plays in Bristol each spring before taking up a five-week residency at London's Barbican Centre.

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The area around the stadium in the south of the park with the Aquatic Centre and Orbit Tower will not be opened fully to the public until spring 2014 but the north of the park, with the Handball Arena, waterways and parklands, will be made available to residents permanently this summer.

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