translation.en: And I say that not because I am African, but it's in Africa that you find the earliest evidence for human ancestors, upright walking traces, even the first technologies in the form of stone tools.
translation.zh: 我这么说的原因不是因为我是个非洲人， 而是因为在非洲，你可以找到 关于人类祖先的最早证据、直立行走的痕迹、 甚至是最早的科技──石器。