MAJOR-OPTIC-OPTIC. Optical illusion.68.

Source.miqel.com
'3d fractals.'
Fractals, geometric figures in which similar patterns recur at progressively smaller scales.

MAJOR-OPTIC-OPTIC. Optical illusion.67.

Source.illusionscene360.com
'City smoker.'

MAJOR-OPTIC-OPTIC. Optical illusion.66.

Source.McDonalds.
Extreme advertisement.no.11. 
Archive.McDonalds advertisement used in Austria.

MAJOR-OPTIC-OPTIC. Optical illusion.65.

Source.museumofsex.com  
'Origami.'
A man and woman in folded paper.

MAJOR-OPTIC-OPTIC. Optical illusion.64.

Source.news.sky.com
Bee 'wearing' competition.

MAJOR-OPTIC-OPTIC. Optical illusion.63.

Source.shroomery.org. 
'Shroom.'

MAJOR-OPTIC-OPTIC. Optical illusion.62.

Source.melabo  
'Fantasy husband.'
Wedding cake decorations.

MAJOR-OPTIC-OPTIC. Optical illusion.61.

Source. stuffistumbledupon.com
'Vagina Wedding dress.'