At first, the ling was baked out of pottery clay. In the 1950s ... According to The History of Chinese Music by Li Chunyi, "Similar to a bell of the Shang Dynasty, it is rectangular in shape ...

The Qianshu Kiln is over 350 years old and is one of China's ancient "Dragon ... lit and can reach temperatures up to 1400 C (2552 F). Pottery is transported into the kiln when the fire is lit.