BBC Radio 4

http://www.bbc.co.uk/programmes/b0103zpp

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Last broadcast yesterday, 17:40 on BBC Radio 4 (see all broadcasts).

In the week that artist Ai Weiwei was detained by the Chinese authorities, Mary Ann Sieghart profiles the outspoken designer of the 'Bird's Nest' Olympics stadium.

Reporter - Mary Ann Sieghart
Producer - Ben Crighton.