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Michael Clements of Farnham, Surrey, won last week's champagne, identifying Joan of Arc, Paolo Soleri's Arcosanti in Arizona, and Chalgrin's Arc de Triomphe. Answers to this week's quiz should reach us by Monday am. Send a postcard (the more surreal the better) to: AJ Astragal, 151 Rosebery Avenue, London EC1R 4GB. In extremis fax 0207 505 6701.