Richard Long?s photographs record interventions made in the natural landscape during his travels across the world. Unlike some Land Artists, Long doesn?t make drastic and permanent changes to the landscape. Instead, he rearranges materials from the surroundings to show the joint creative power of man and nature - placing snow in a circle in this image, for example. The photograph is from a portfolio called `Dear Stieglitz,? named in homage to Alfred Stieglitz, the photographer and gallery owner who published the art-photography journal `Camera Work? in the early Twentieth century. The portfolio features the work of artists whose photography `shows an obvious, personal and also very outspoken attitude towards their surroundings.?