[Dangan] Free Association: Part One. Day 6: "Graduation Day"

[Florien]

[10] It's certainly plausible the sniper shot could have been taken from a manhole... except there aren't any nearby, so you grab a heavy metal object and break up the sidewalk so as to dig a hole to replicate a manhole to see if that could have been the vantage point. It's at this point that you realize you didn't need to do that, because there was no manhole until you made a pit.