Is this what you're thinking of? https://www.youtube.com/watch?v=88dflh7Dko4 https://www.youtube.com/watch?v=88dflh7Dko4 There is also now a version at Amster

Is this what you're thinking of? https://www.youtube.com/watch?v=88dflh7Dko4 https://www.youtube.com/watch?v=88dflh7Dko4 There is also now a version at Amsterdam Schipol airport.