In Media Res
(fancy Latin way of saying start in the middle!)
John Updike, in his short story A&P, does it like this: “In walk these three girls in nothing but bathing suits.”
If you want to start with a descriptive passage about the setting, make sure the setting is important enough to act as a “character” in the story. Otherwise, we don’t care. We want action, intrigue, mystery, quirkiness, anything to make us feel like we’ve been dropped into something interesting.