Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
부산은 개항장으로서 중요한 역사적 의미를 가지고 있다.Busan-eun gaehangjang-euroseo jungyohan yeoksajeok uimi-reul gajigo itda.Busan has significant historical meaning as a treaty port.