1: Simone Biles, history-making gymnast, wows at world championships with challenging vault.

2: Biles stuns crowd with flawless execution of difficult vault routine.

3: World championships witness Simone Biles' record-breaking vault performance.

4: Biles' incredible vault skills redefine gymnastics history at world championships.

5: Simone Biles conquers challenging vault, secures spot in gymnastics legends hall.

6: Vault mastery: Simone Biles' groundbreaking performance at world championships.

7: Gymnastics world in awe as Simone Biles dominates with daring vault routine.

8: Simone Biles achieves historic milestone with flawless execution of challenging vault.

9: Biles' vault triumph at world championships cements her legacy as gymnastics icon.