What is the identity of this UNESCO World Heritage site?

At first glance, this place looks like a hill, but it is actually the Daeseong-dong Tombs in Gimhae. This site, which holds the history of the Gaya Kingdom, is well-preserved as a UNESCO World Heritage site, and the unique terrain created by the tombs is quite impressive. Walking along the wide trails, you can imagine the Gaya era in a tranquil atmosphere. The exhibition hall is modern and neatly organized, allowing you to take a closer look at the artifacts. It's a great place for a family outing as it offers a hassle-free historical experience, even for children. Address: 93 Garak-ro, Gimhae, Gyeongsangnam-do