This is a photograph of a series of images of a horse in mid-gallop. The image features multiple sequential frames laid out in a grid format, showing the movement of a horse as it runs from left to right in the upper rows, and the rear view of the horse moving toward the observer in the bottom row. The sequence captures different phases of the horse's stride, revealing the dynamics of its motion and the movement of the tail and legs. The images are in black and white, with a focus on the natural action of the horse's gait. The backdrop of each frame is neutral, allowing for detailed observation of the horse's movement across the series.