I guess they don't have nursemaid's elbow in whatever country it is where circus people swing their babies around like a sack of unwanted kittens.
I'll start researching this clip, but if anyone can ID the language of the song--perhaps you have an encyclopedia collection of "Everybody was Kung Fu fighting" cover versions on your iPod?--I'd be much obliged.
[update: looks like YouTube removed the video because it depicted dangerous/hazardous actions--screenshots of which are after the jump. Needless to say, even if you're a Romanian acrobat, don't try this at home.]
Child Abuse or Baby Gymnastics? [israelsa and/or israaaael's youtube, via boingboing]