Tate Modern extension: a towering achievement

To its architects, Herzog & de Meuron, the concrete oil tanks beneath the Tate Modern extension are more than its physical foundations, they have been “the starting point for intellectual and curatorial approaches” to the entire £260m scheme.
The lure of ‘as found’ spaces was never more obvious than when the Tate carved the Turbine Hall out of the Bankside Power Station back in 2000. On their return, Herzog & de Meuron has again used the ‘as found&rsq