"Assustar" is Portuguese for "To Scare"

I'm not a hipster, therefore I am perfectly okay with posting something that has become popular. For example, I am one of the few people who still admit that they like Gangnam Style. Plus, this blog's original intent was to keep track of things that I found interesting, and this video is definitely worth saving. So if you've already seen this video, faithful readers, enjoy it once more -- if you haven't seen it, you're in for a treat. . .a Brazilian treat.

Brazilians are known for soccer, guarana, being obnoxious, samba, carnival and girls from Ipanema. However, they haven't been really well known for their practical jokes, until now. Check out this hilarious hidden camera prank they pulled on a few unsuspecting citizens.



Brilliant. Simply brilliant. Bem feito, Brasil!

Now, even though I speak Portuguese, I still can't quite figure out certain aspects of this video.

1. Where did these people think they were actually going?
2. How did they make them think the elevator was actually moving?
3. How did the girl see her way around in the dark?
4. Why did no one take a swing at the ghost? Not that I wanted them to hit an innocent little girl, but some people react in that manner when they are frightened.
5. What show was this for?

If any of you faithful readers know the answers to any of these questions, please let me know. Understanding this video will help the nightmares stop.