🇰🇷 South Korea · Ancient city
Buyeo Naseong
Baekje Sabi Period (538–660 CE; UNESCO) · Baekje (King Seong to Uija)
Buyeo Naseong is Baekje's Sabi capital outer wall (538–660 CE, UNESCO) — 8.5-km earthen and stone wall (6 m high) enclosing 3.2 km² with Busosan Fortress and Neungsan-ri tombs.