For the past three years, Stacey Baker has been photographing women's legs in New York City and posting the pictures on Instagram, where she has over seventy-five thousand followers. The women are strangers she meets on the street who agree to pose in front of a nearby wall. Only their legs are visible in the frame: She always frames them so the subject is cut off at the waist. She rigorously stages these photographs, asking the muse to stand in front of a gritty, textured wall, and composing each image so the heels line up with the horizon line where the wall meets the chewing-gum-pocked...