The turnstiles are one of the most important places in the whole of Expo 2015. They’re important because they keep count of the visitors. They’re important because they avoid having weapons, bombs and other nasty devices enter the site. Then the turnstiles have another function, symbolic, and fundamental. One second ago, we were in the western suburbs of Milan. Between Molino Dorino and the A4 motorway. A not so bad wasteland. Now, queuing at the turnstiles, inside our heads something goes click. Just when we're putting our watch and keys into a tray for the X-ray machine, we're tele-transported to an airport. As if we were at Malpensa. Moreover, the ticket works exactly like a boarding pass. As soon as we've scanned the QR Code, we're in another world, a thousand miles from our daily life. The whole of Expo City lives off these snippets of perception. A continuous elsewhere that lives off a transfigured present. The world doesn't exist. There are interpretative spectacles that we wear when we look at the world. At Expo 2015, these magic spectacles are the [Came turnstiles](http://www.came.com/global/en/communication/expo-2015). Can’t be bad! A book to read while you're waiting? Aldous Huxley, [Doors of Perceptions](http://www.amazon.com/The-Doors-Perception-Thinking-Classics/dp/1907590099)