image/svg+xml
Openclipart
Optical Illusion (5)
2008-02-24T14:01:31
SOURCE: ШелÑга, Ð’.Ð’., Глоточкина, Ð.Д., Платонова, К.К. (1972). Ð’Ð¾ÐµÐ½Ð½Ð°Ñ Ð¿ÑихологиÑ. МоÑква.
https://openclipart.org/detail/14790/optical-illusion-(5)-by-cibo00-14790
cibo00
externalsource
human perception
lines
optical illusion