Pyrography, also called pokerwork or wood burning, is known as one of the "three treasures" of Nanyang, Henan Province. It involves using an iron poker heated to 300-800 C to etch materials such as ...

This undated photo shows Li Zhe making a wooden pyrography at a studio of Nanyang Pyrography Factory in Nanyang City, central China's Henan Province. Nanyang Pyrography, a traditional Chinese art ...