I do not know what Mathias had to do with this, maybe he was recommending the engines to use, but the guy is a Finnish guy and they did this in Lahti city, Finland.

In the beginning of the clip, they are talking in Finnish.

Nice to know that we have two more turbines in Finland.

In the Finnish model forum we just discussed, that as he could maintain the height, it will be just the matter of time and a crazy enough jumper to land without the chute!!!

BR,
Jussi