![Tate Modern extension by Herzog & de Meuron](https://static.dezeen.com/uploads/2009/04/ttm23864_large.jpg)
Tate Modern extension by Herzog & de Meuron
Here are new images of architects Herzog & de Meuron's extension to the Tate Modern art gallery in London, which was recently granted planning permission.
![transforming-tate-modern-im.jpg](http://static.dezeen.com/uploads/2009/04/transforming-tate-modern-im.jpg)
More details plus images of the architects earlier design for the extension in our earlier story.
![herzog_tate_extension.jpg](http://static.dezeen.com/uploads/2009/04/herzog_tate_extension.jpg)
The extension will add a new wing and also convert underground tanks (below), previously used to store oil for the former power station, into new galleries.
![image-4-hdm-panoramic-imag.jpg](http://static.dezeen.com/uploads/2009/04/image-4-hdm-panoramic-imag.jpg)
More Herzog & de Meuron stories on Dezeen:
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