Vision scientist Lothar Spillmann at the University of Freiburg in Germany stumbled upon the illusion while browsing Ouchi's book on Japanese Optical and Geometrical Art.

德国弗莱堡大学视觉科学家洛萨·斯皮尔曼在浏览ouchi的一本书《日本光学和几何学艺术》时，偶然见到这一错觉。

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European laws against Gypsies can be traced back to the early 1400s, when cities such as Lucerne in Switzerland and Freiburg in Germany began systematically removing them.

欧洲针对吉普赛人的法律可以追溯到15世纪，彼时，瑞士的卢塞恩和德国的佛莱堡已经开始清除吉普赛人。

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A team of scientists from University of Freiburg in Germany are developing a shoe with a sensor to automatically tie its laces that could be taken off when users click their heels together.

德国弗莱堡大学（University of Freiburg）的一个科学团队正在研究一种可利用传感器自动系鞋带的鞋，当使用者碰撞鞋跟时，鞋带就能自动解开。

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Christian Dieckmann, a taxi driver from Freiburg, Germany, had taken a last-minute flight to Rome for Benedict XVI's farewell.

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They moved through grade school together in Germany, to the economics department at Freiburg University and, later, to Margarete Steiff Co.

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Note how abruptly scientific leaders can become followers: in the first decades of the 20th century, when Heidelberg and Freiburg were at the center of the academic universe, Germany won more Nobel prizes than any other country: 38 between 1901 and 1931, outpacing the U.S. by a factor of two and a half.

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