Not to mention Britannica Encyclopedia online of America, but even in the maps that were made by UN and other countries, we are unable to find the names of 'Amnok River' and 'Dumangang river'. Their names are introduced to the world by the Chinese names 'Yalu River', 'Tuman River', And 'Changbai Mountain'. 'Yalu River' is the Chinese description of 'Amnokgang River'. However, 'Tumen River' is not the Chinese name for 'Dumangang River'. Tumen river refers to Tomun river, not Dumangang River. This is intentional mislabeling by the Chinese, is like that of Chinas views about Tibet. This deliberate move is intended to distort Korea's culture and history, and justify Chinas illegal occupation of Gando, which is clearly an act of aggression.