tweeted: RT Massimo @Rainmaker1973: The stunning optical illusions by prof. Kokichi Sugihara https://t.co/9eJSwjko3h [more about prof. Sugihara:… https://t.co/sK7QIoTptD

RT Massimo @Rainmaker1973: The stunning optical illusions by prof. Kokichi Sugihara https://t.co/9eJSwjko3h [more about prof. Sugihara:… https://t.co/sK7QIoTptD