Photography - the supreme form of travel, of tourism - is the principal modern means for enlarging the world. As a branch of art, photography's enterprise of world enlargement tends to specialize in the subjects felt to be challenging, transgressive. A photograph may be telling us: this too exists. And that. And that. (And it is all 'human.') But what are we to do with this knowledge - if indeed it is knowledge, about, say, the self, about abnormality, about ostracized or clandestine worlds?
Susan Sontag[T]he visibility of styles is itself a product of historical consciousness. ... The very notion of "style" needs to be approached historically. Awareness of style as a problematic and isolable element in a work of art has emerged in the audience for art only at certain historical moments - as a front behind which other issues, ultimately ethical and political, are being debated.
Susan Sontag