![](https://static.dezeen.com/uploads/2016/09/the-optic-cloak-conrad-shawcross-design-london_dezeen_sq-a-411x411.jpg)
Conrad Shawcross forays into architecture with faceted tower that "defies definition"
British artist Conrad Shawcross has installed a 49-metre-high structure around the soon-to-be built chimneys of an energy centre on Greenwich Peninsula in southeast London (+ movie). More