Gwangrung Tomb, Historic Site No. 197, is the tomb of King Sejo, the seventh king of the Choson Dynasty, and his Queen Chonghee-wanghu Yun. Many kinds of birds, including the K'unaksae (K'unak bird, or Korean red-headed woodpecker) live in the rung (tomb) of 300,000 pyong with trees more than 100 years old.