Its an outline of a human skeleton with the right hand leaning on a wall and the left hand on its hip. it was unfinished and a version with shadows and lighting was lost :( you are welcome to take this furter 人類 骨架 頭骨 人類 Skeleton(Outline)
A diagram showing back and side views of the human skeleton, circa 1900. (Photo by Hulton Archive/Getty Images) 白色背景 解剖 人類的表示形式 Human Skeletons