We've seen some fantastic installation art recently, ranging from the "Interactive Thunderstorm":http://www.itsnicethat.com/articles/symphony-in-d-minor-interactive-thunderstorms in Philadelphia, to "The Rain Room":http://www.itsnicethat.com/articles/rain-room-barbican in London. And now – joy of joys – we're reflecting on more amazing installation art for y'all to dive into. This time we're in the Bockenhelmer Depot, in Frankfurt, Germany. Ready? Right, let's GO!