tongue-twisters

Whatever language you learn tongue-twisters are not easy to do...
This guy makes an art out of it in "Wetten Dass ???" - try simulaneous interpretation ;) or just have fun listening and try understanding what this guy is talking about.
By the way, his method might be interesting for language learners in training their articulation.

http://www.youtube.com/watch?v=gdeRwWplJ2c

have fun