It's great, you can do it anywhere, like in the middle of the street:
Or in school:
Outside of a restaurant:
Or even in gym class:
Pretty sure this needs to catch on in the U.S., right?
FYI if you dont get what they're doing:
BuzzFeed even did one. You've seriously gotta try it!
Here's a how-to if you're still mystified on how to pull off this incredible thing.
