What is it called when there is a picture inside of a picture in a picture and s

Question: What is it called when there is a picture inside of a picture in a picture and so on!?

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Best Answer - Chosen by Asker:

Droste effect illusion
http://www!.wikipedia!.org/wiki/Droste_eff!.!.!.
http://www!.moillusions!.com/2006/03/drost!.!.!.

Pink Floyd Ummagumma Limited Edition Signed Album Cover
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It's video feedback, it's the effect you get when you point a video camera at a screen that is showing the output from the same camera!.

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