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http://www.zonezero.com/exposiciones/fotografos/witkin2/index.html

Yes, those are real body parts he's setting up for photographs.

Here's a pretty scary one - work safe, I think for most places. But your co-workers will think you're an axe-murderer if you make it your wallpaper or something.
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Look up the photography of Joel Peter Witkin on google.

Be careful where you look at it though. Some is VERY work unfriendly.

A recent exhibition