Fine art photography is created primarily as an expression of the artist's vision, but as a byproduct it has also been important in advancing certain causes. The work of Ansel Adams in Yosemite and Yellowstone provides an example. Adams is one of the most widely recognized fine art photographers of the 20th century, and was an avid promoter of conservation. While his primary focus was on photography as art, some of his work raised public awareness of the beauty of the Sierra Nevada and helped to build political support for their protection.
Such photography has also had effects in the area of censorship law and free expression, due to its concern with the nude body.
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