Big brothers: Ai Weiwei and Herzog and de Meuron team up for surveillance installation

In our technology-laden world, surveillance scandals are no fairytale. Hansel and Gretel, an immersive new commission by the activist artist Ai Weiwei and the Swiss architects Herzog and de Meuron, will allow visitors to navigate a terrain filled with infrared cameras and surveillance drones that record their every movement. The work draws on the Brothers Grimm tale, where the siblings leave a trail of breadcrumbs to find their way back home, by creating an environment where visitors cannot hid