https://www.posetteforever.com/viewtopic.php?f=34&t=1833&p=27525#p27525
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Visitor
Tuesday, 20 December 2005, 11:09 PM

Optical illusions
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Ok , you simply have to see this it's cool 
http://www.michaelbach.de/ot/

exspecially the skull pic. Oh , it may hurt you eyes as well. :uuh: