Herzog & de Meuron have received planning permission for Tate Modern 2 - an extension to the Tate Modern contemporary art gallery in London, which was also designed by the Swiss architects.
The 11-storey extension, shown in these new images, will give the gallery 60% more gallery space.
Tate Modern - a conversion of the former Bankside power station - opened in 2000. The TM2 extension is due to open in 2012.
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