Wandu Mountain City, the only Koguryo mountain city capital whose general layout was planned with the large palace as its core, created a mountain city that perfectly combined the Koguryo culture with the natural environment. The tombs of kings and nobles of the ancient Koguryo Kingdom are distributed in the Donggou Ancient Tombs Area of Wandu Mountain City. Criterion (ii): The Capital Cities of the Koguryo Kingdom are an early example of mountain cities, later imitated by neighbouring cultures. Criterion (iii): The Capital Cities and Tombs of the Ancient Koguryo Kingdom represent exceptional testimony to the vanished Koguryo civilization. IntegrityThe Capital Cities and Tombs of the Ancient Koguryo Kingdom contain all the essential elements and relevant archaeological materials expressing the Outstanding Universal Value of the property.