Sort of a timeline, very non-linear scale, nature rates and trilobites and dinosaurs, and eventually we saw some humans with caves ... Birds were flying overhead, after pterosaurs.
可以说是一条时间轴，很非线性的刻度，自然比率 三叶虫和恐龙，最后我们看到人类 和山洞...翼龙之后鸟类在头上飞翔。