316K views · 236 reactions | Every failed experiment was a lesson, every unusual design a step forward. Over the years, we fine-tuned our approach, shaping a system that allows flyers to practice flying positions and controlled movements in the most efficient way - outside the wind tunnel.  https://tunnelsport.com/invention-story #tunnelsport #bodyflyingmachines #indoorskydiving #indoorskydive #bodyflying #windtunnelflying | Leonid Volkov | Facebook