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ring the changes

astragal

Congratulations to Joe Holyoak of the Axis Design Collective in Birmingham, who managed to spot the five changes we made to the building on the right, Gehry's Vitra Museum. For the chance of winning a bottle of champagne, readers are asked to spot the deliberate alterations we've made to the building on the left, the Manser Practice's Umoja House in Dar es Salaam. Post your answers, to arrive by first thing Monday morning, to AJ Ring the Changes, 151 Rosebery Avenue, London EC1R 4GB, or fax 020 7505 6701. The first correct entry pulled out of the hat wins the bubbly.

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