The Freshmaker, En Masse

In an attempt to conduct one of the largest Mentos-centric science experiments in history, 1500 poncho adorned students in Leuven, Belgium similtaniously dropped tubes of the refreshing Dutch mints into bottles of Diet Coke to create this incredibly sticky, low calorie fountain display. The article only has still shots of the action but you can view some extremely well-coordinated demonstrations of the phenomenon here and here.