The comments quickly filled with the same three questions: how is he doing this? How long has he been up there? And — above all — why?

Everyone seems to walk away feeling something, though nobody can quite agree on what. Because there's a detail in this clip that changes the whole story… and you'll only notice it if you watch right to the very end.

So see it for yourself below. 👇

* Story inspired by real-life situations. Names and details have been changed for privacy.