Alexander von Humboldt, Three of the nine american diaries, 1799-1804. Sketch of the Orinoco region.


Alexander von Humboldt, Three of the nine american diaries, 1799-1804. Sketch of the Orinoco region.
Alexander von Humboldt, Three of the nine american diaries, 1799-1804. Sketch of the Orinoco region.
Alexander von Humboldt, Three of the nine american diaries, 1799-1804. Sketch of the Orinoco region.
Alexander von Humboldt, Three of the nine american diaries, 1799-1804. Sketch of the Orinoco region.
Alexander von Humboldt, Three of the nine american diaries, 1799-1804. Sketch of the Orinoco region.