translation.en: And it's this journey that is of such interest to humanity, and it's this journey that has been the focus of the past three generations of my family, as we've been in East Africa looking for the fossil remains of our ancestors to try and piece together our evolutionary past.
translation.zh: 正是这个旅程对人类意义重大, 也正是这个旅程成为了我们家祖上三代以来 一直关注的焦点。 我们一直在东非寻找我们祖先进化的化石遗存， 试图把这些碎片拼起来，重现人类的进化过程。