Photo credit: Daily Mail
These crazy optical illusions were created by Professor Akiyoshi Kitaoka, from Ritsumseikan University, in Kyoto Japan, who has spent more than a decade creating his collection either from scratch, or by developing existing designs. They are so potent that each image comes with a health warning: "If you start to feel dizzy or sick cover one eye and look away - don't close your eyes completely." Click here to view the first image in today's viral picture gallery. Continue reading for a viral video of Katy Perry's Dark Horse helping a toddler in an unexpected way.