Kwangjang industry is Korea?�s initially commercial market. This industry opened in 1905. Initially, Namdaemun sector was the biggest standard sector until early 1900s, but Japanese occupied Namdaemun industry by Japanese?�s invasion to Korea, so Korean merchants opened Kwangjang market for Koreans in 1905 to contend Japanese Namdaemun current market. From https://collint6f06.articlesblogger.com/55953123/about-gangnam-tour-top-5-tours-activities