And you thought your childhood was wild. Stream all episodes of Growing Up Animal, an Original Series narrated by Tracee Ellis Ross.

A man's struggle against himself and against time. Kenyan runner Eliud Kipchoge dreams of completing a marathon distance of less than two hours. An achievement that is considered unattainable for a human being. Here we follow him as he prepares to break the impossible record. Is he able to break the magical two-hour limit and write history?

人们可以从最远30公里的距离看到它们：就像一座咕哝、冒泡的火山，准备喷发，一朵发光的云从地球升起。这就是人们在日出时体验维多利亚瀑布的方式。当地人称之为：“雷声烟”。尤其是在旱季，一场不寻常的迁徙开始了：大象家族从 100 公里外的万基国家公园来到这里。然后发生了一个奇妙而非常罕见的奇观：他们游过赞比西河，就好像他们是一串巨大的珍珠。