CultureTemple of art: The Tate Modern's extension12/30/2016December 30, 2016The cultural event of the year in London was the opening of the Tate Modern's new extension, which gave it 60 percent more space for visitors to explore. It was designed by renowned Swiss architects Herzog & de Meuron. Copy linkImage: EBUAdvertisementTemple of art: The Tate Modern's extension04:25This browser does not support the video element.