This is possibly the most amazing video I have ever seen.

Some people said I was crazy for rappelling down a tall building, but that's a tricycle ride compared to this.

It's an extreme sport called Air Dancing. It's a skydive performed indoors on a cushion of air, but it's not like any skydive simulation you may have seen before. This is nuts.

Here's a link to an article that explains how this works.

Would you try it if they built one of these machines in Grand Rapids?