Are the dancers spinning clockwise or counterclockwise? Do they sometimes switch direction? Can you do the switch at will?
Project by Scratcher anne_donkey got me thinking. The illusion was created in 2003 by web designer Nobuyuki Kayahara. More info about this illusion can be found at: https://en.wikipedia.org/wiki/Spinning_Dancer Music: Venetian Boat Song by Felix Mendelssohn played by Dan Gibson