A YouTube video that has more than 4 million views since being posted online Wednesday, shows the results of dropping a basketball over the edge of a 415 foot high dam.

Image Source: YouTube

When a little backspin was applied to the ball, something amazing happens.

A person on the video can be heard saying,  “I literally just dropped it, with a bit of spin, like I didn’t even throw it and it just took off. We had no idea it was going to do that.”

Watch the video to see what happens: