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
人體骨骼（大綱）
Alphabet Word Images、anatomy、bone、bones、how i did it、human、outline、skeleton、skull
字母詞圖像、解剖學、骨、骨頭、我是怎麼做到的、人的、大綱、骨架、頭骨
資料來源：openclipart ( https://openclipart.org/ )