What year was this photograph taken? Study it, then reveal the answer below — or play it as a round and see how much HP you keep.
The Horse in Motion by Eadweard Muybridge . Noted photographer, Eadweard Muybridge was hired, in 1872, by Leland Stanford a railroad baron and future university founder, to find out if there was moment mid-stride where horses had all hooves off the ground. It took several years but Muybridge delivered having captured a horse, named "Sallie Gardner," owned by Stanford ; running at a 1:40 gait over