Divided into two sections, the fair takes place in a purpose-built exhibition hall near the centre of town.

ECONOMIST: Basle art fair

For example, the city government in Wuhan, the capital of Hubei Province, has recently built a new exhibition hall.

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This is demonstrated in the exhibition's giant model of a City Hall Tower for Philadelphia that was never built, a dramatic double helix derived from the discovery of DNA in 1953.

WSJ: Ancient Modernism | 'Louis Kahn: The Power of Architecture' | Vitra Design Museum, Germany | By Colin Amery