明るさの錯視の一群。比較的マイナーな錯視。しかし、この図だけ見ると、当たり前のように見えてくるから不思議。pic.twitter.com/Tycd4YBwYE
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My eyes will never forgive you ^^;;
splendid variations. De Valois the last image displays the best colors it seems to me.
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