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신안식2020군사Pyongyang, currently located in North Korea, was removed from historical interest with the fall of Goguryeo in 668, and as a result, it had been …
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김도연2018서울과 역사Seoul has history of 2,000 years, and it was second level metropolis during middle ages-Goryeo Dynasty. It was called Yangju, Namgyeong, Hanyang.…