This paper is a photographic summary of a scientific and touristic expedition carried out in August 2011 in Wyoming State, U.S. to know the natural beauties of the different ecosystems and the structure of the Yellowstone National Park. The photos show some of the Park and wilderness areas structures, important geological formations, and some of the species of flora and fauna registered.
JavaScript is turned off in your web browser. Turn it on to take full advantage of this site, then refresh the page.