In Basel, Switzerland, we visit Herzog and de Meuron, the world-renowned double act overseeing the new Beijing National Stadium.

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Before going to Aix, Gelb stopped in Basel to meet with the Swiss architects Jacques Herzog and Pierre de Meuron, best known for their conversion of the Bankside power station, in London, into the Tate Modern.

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The project is being drawn up by Herzog and de Meuron, the Swiss architects who transformed the former Bankside power station, which closed in 1981 and lay derelict for more than a decade until work began on creating Tate Modern, which opened in 2000.

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