Between islands

Although the Qing Dynasty, which was far away, in order to protect its own dragon vein, forcibly reclaimed the territory of these four counties
Qing Dynasty Korean peninsula Dragon Vein Changbai Mountain Four counties and cities Between islands
01-14
He once disguised himself as a Japanese and entered Japan to expose the Japanese conspiracy, but he was later killed
Japan_History Song Jiaoren North Korea_History Between islands Yuan Shikai
01-08