About haeundae 해운대고구려
Following the Goryeo?�Khitan War, a harmony of ability was founded in East Asia involving Goryeo, Liao, and Tune. With its victory in excess of Liao, Goryeo was self-confident in its armed forces potential and now not worried about a Khitan military services menace. Goryeo's golden age lasted about 100 yrs to the early twelfth century and was a t