Kokichi Sugihara specializes in the impossible. He creates mind-bending physical objects that look and behave in incredible ways when seen from the right angle, such as marbles that roll uphill or circular pipes that look rectangular in a mirror.
원문출처 : https://www.cnn.com/style/article/kokichi-sugihara-optical-illusions/index.html
원문출처 : https://www.cnn.com/style/article/kokichi-sugihara-optical-illusions/index.html