CLEARED FOR LANDING!: Over the past two two decades the energy drink company Red Bull has hosted more than 100 “Flugtag” events in cities around the world, where brave and crazy-brave contestants hurl themselves earthward in their home-made, not-at-all-flying machines. With the next Flugtag coming up this weekend in Portland, here’s a look back at some of Flugtag's colorful crashing creations.