There are a few things you can count on in this life, and one of them is that people are crazy. Actually, they've always been crazy! Here's some proof that people were crazy all the way back in the days of black and white.
One of the craziest things people do in modern times is parkour. Leaping from building to building, balancing on posts, rolling down hills it's amazing, but it's also crazy. We're more on the "subparkour" end of the spectrum.
Here's another bunch of vintage stunts proving that people have always been crazy. We have to admit, though, we like the backstory to these runs!
We can go even farther back into history to prove that people have always been crazy. Here's a compilation of the wackiest antics of the Ancient Romans.