This may be something that is unique to males.  There are two things/phases that all boys eventually are into:  fire and flight.  At some point in his life, every guy will be fascinated by the thought of setting something(s) on fire.

Likewise, at some point, every guy will stand on a roof, balcony, whatever and try to overcome divine evolution by figuring out how to propel himself in flight.

I don’t think I’ve ever seen girls do either.  Anyway, a think this Dutch man has figured it out!

Jarno Smeets supposedly spent spent eight months perfecting his custom-made bird wings and the results…well, if they are true…are flat-out wicked awesome.  Check it out and marvel at his brilliance!