1 lesson to learn from all this is to make sure there's a FLAT landing spot for your Zorbing ball. Not a huge cliff you could possibly fall off of.

A man in Russia went Zorbing on a mountain. Zorbing is where you get inside a giant inflatable ball and roll/bounce down a hillside or in this case, mountainside, laughing and peeing yourself all the way down. The catch is that in a lot of places, the only way to end your ride is for the hill to end and you gently roll to a stop. Or option 2 is for one of the Zorbing crew to literally catch you at the bottom and manually stop you from going further. The main problem with this is that people miss. And if they miss on a mountain, you roll all the way down. If that mountain includes a huge cliff with a really big fall, you die.