![Red Bull X-Fighters World Tour A Red Bull X-Fighter rider during training for the Red Bull X-Fighters World Tour on May 23, 2014 in Osaka, Japan.](https://api.time.com/wp-content/uploads/2014/05/red-bull-xfighters-01.jpg?quality=85&w=2400)
By TIME Staff
![Red Bull X-Fighters World Tour A Red Bull X-Fighter rider during training for the Red Bull X-Fighters World Tour on May 23, 2014 in Osaka, Japan.](https://api.time.com/wp-content/uploads/2014/05/red-bull-xfighters-01.jpg?quality=75&w=2400)
![Red Bull X-Fighters World Tour A Red Bull X-Fighter rider during training for the Red Bull X-Fighters World Tour on May 23, 2014 in Osaka, Japan.](https://api.time.com/wp-content/uploads/2014/05/red-bull-xfighters-02.jpg?quality=75&w=2400)
![Red Bull X-Fighters World Tour A Red Bull X-Fighter rider during training for the Red Bull X-Fighters World Tour on May 23, 2014 in Osaka, Japan.](https://api.time.com/wp-content/uploads/2014/05/red-bull-xfighters-03.jpg?quality=75&w=2400)
![Red Bull X-Fighters World Tour A Red Bull X-Fighter rider during training for the Red Bull X-Fighters World Tour on May 23, 2014 in Osaka, Japan.](https://api.time.com/wp-content/uploads/2014/05/red-bull-xfighters-04.jpg?quality=75&w=2400)
![Red Bull X-Fighters World Tour A Red Bull X-Fighter rider during training for the Red Bull X-Fighters World Tour on May 23, 2014 in Osaka, Japan.](https://api.time.com/wp-content/uploads/2014/05/red-bull-xfighters-05.jpg?quality=75&w=2400)
![Red Bull X-Fighters World Tour A Red Bull X-Fighter rider during training for the Red Bull X-Fighters World Tour on May 23, 2014 in Osaka, Japan.](https://api.time.com/wp-content/uploads/2014/05/red-bull-xfighters-06.jpg?quality=75&w=2400)
![Red Bull X-Fighters World Tour Red Bull XaA Red Bull X-Fighter rider during training for the Red Bull X-Fighters World Tour on May 23, 2014 in Osaka, Japan.-Fighters World Tour](https://api.time.com/wp-content/uploads/2014/05/red-bull-xfighters-07.jpg?quality=75&w=2400)
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