When I went to Jeollanam-do in December 2018, I wanted to visit Gangjin which is located at the southern part of the province facing a long triangular bay called "Gangjin Bay".Journalist Park Jong-in, specialized in history and travel, describes the Gangjin county as a "land of treasure." He once raised a question, "What if the Joseon dynasty took advantage of three kinds of treasure found at Ga..