二千五百年前，柏拉图，苏格拉底， 亚力士多德，坐在雅典街头聊天，聊出了世界文明史的源头。 背景可以加上他们聊天内容，按时间轴的走向，重叠在古希腊雅典的城市风光中。

Two thousand and five hundred years ago, Plato, Socrates, and Aristotle sat on the streets of Athens chatting and revealed the origins of the history of world civilization. The content of their chat can be added to the background, and the cityscape of Athens, ancient Greece, can be overlaid according to the direction of the timeline.