This document discusses clay sculptures by Anna Xiong. It begins by explaining what clay is - a soft rock made of crystalline particles that forms over long periods of time and turns red when heated. It then explores why people use clay as an artistic medium, noting that it allows for creative expression and showing one's personality without judgment. A brief history of clay use is provided, from early houses to firing techniques developed in 600 BC. The document asks what is in clay and how sculpting can help people relax or express emotions like anger.