Why it’s hard to guess the territory of Balhae.jpg
image text translation (1)9th Century Excavation Site of Balhae’s North Boundary(2)a view of the capital city(3)Dongmo San Donhwa YH Tokyo …
Balhae
image text translation (1)9th Century Excavation Site of Balhae’s North Boundary(2)a view of the capital city(3)Dongmo San Donhwa YH Tokyo …