Behold as James Jean curves two arrows at once, striking two balloons hidden behind two barrels. Curving or turning an arrow takes a lot of practice, but it has been known since at least medieval times that a skilled archer can place arrows on target even if the intended target is obstructed by a person, animal, building, or other sort of cover.
In addition to curving around something, archers can also curve over something.
Here's Lars Anderson also showing how it's done:
Image: YouTube / James Jean trickshots