Q&A: How do dancers spin without becoming dizzy? | Yale Scientific Magazine
Are you left or right brained? Researchers explain the truth about the way you see this dancer spinning
File:Spinning Dancer.gif - Wikipedia
SPINNING DANCER. The trick to see her spin in both directions. - YouTube
Which Way Is This Lady Spinning? - Artifacting
Ballet dancers' brains adapt to stop them feeling dizzy | Imperial News | Imperial College London
Spin Of Ballerina Silhouette Metal Print by Irina Sztukowski
New Scientist TV, 11 May 2012: "The video starts with two mirror-image ballerinas spinning in opposite ways and a third … in 2020 | Illusions, Ballerina illusion, Ballerina