Rivers Seen from Space: Index Rivers have always been a primary focus of human settlement, and are perhaps the single most consistent natural feature related to the location and discovery of archaeological sites.
Hong Sa-Ik was one of the Koreans who did not change his name, and he also achieved the highest rank of any Korean serving in the Japanese military forces. Lieutenant General Hong Sa-Ik was placed in charge of all prisoner of war camps in the Philippines.
During the Second Sino-Japanese War, between 1943 and 1945, the Japanese government and Mitsubishi transported Korean and Chinese prisoners to the island on Mitsubishi-owned ships known as hellships, and then forced them to handle the most dangerous work in the coal mines.