A police officer said on Thursday that the provincial police agency is reviewing the illegal working of South Korean tour guides in the tourist city. As part of the review, police will investigate travel firms to see whether or not they are employing South Korean tour guides without work permits or guide certificates rather than using Vietnamese tour guides. A South Korean tour guide shares incorrect knowledge about the history of Bao Dai Summer Palace in Da Lat City to South Korean tourists. / Tuoi TreHe confessed that he works as a tour guide but holds neither work permits nor international guide certificates. A South Korean tour guide had previously been discovered providing tourists with incorrect information and knowledge about the history of a tourist site in Da Lat.