yovisto: On August 3, 1804 Alexander von Humboldt returned home from his great South America scientific discovery journey. http://yovisto.blogspot.de/2012/08/on-road-with-alexander-von-humboldt.html

yovisto: On August 3, 1804 Alexander von Humboldt returned home from his great South America scientific discovery journey. http://yovisto.blogspot.de/2012/08/on-road-with-alexander-von-humboldt.html

tags: Dust King's Lair ♛,

from: http://nat3z.tumblr.com/post/97666995462