ScienceTracing Humboldt's tracks - Part 5To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScience09/02/2019September 2, 2019During his journey to the Spanish colonies of South America, Alexander von Humboldt witnessed the inhumane treatment of slave laborers. In our fifth installment of our Humboldt series we trace his journey to Palenque, Colombia.https://p.dw.com/p/3Okc3Advertisement