It was first used around 22 , 000 years ago by aboriginals in cave paintings and then later in egyptian pyramid decorations , right through to the 20 ’ s and 30 ’ s where it was used as a cheap way to reproduce propaganda posters 它最早是源于22 , 000年以前原始居民在山洞中作画，接着是埃及人在金字塔内的装饰， 20至30年代则演变为用于覆制宣传海报的一种经济方式，它能在有限时间内有效地表现欲传达之细节。
However , we should not neglect a detail that the images have been placed along the timeline in a disorderly and unsystematic way : from the egyptian pyramid to the head of george washington , various images of people and events of all ages are put together in pell - mell ( at least seemingly so ) 但同样不应当忽视的一个细节是，时间轴中的影像是零散无规律的，古埃及的金字塔、华盛顿的头像、古往今来各种各样的人和事被混乱（至少貌似混乱）地摆放在一起。
