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What is photography? "It is preserving of commonly perceived appearance achieved with the use of physical, chemical and mechanical processes, as the result of which we receive a plane covered with color spots, ordered in a certain way. The ordering of these spots causes an illusion of perceiving by a viewer three-dimensional objects in space(...)"
[translation cited in "Archeologia fotografii" ("Archeology of photography") by Jerzy Lewczynski, Wydawnictwo KROPKA, Wrzesnia 2005, p. 53
