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
만조계는 홍수 경고 시스템의 중요한 부분입니다.Manjogye-neun hongsu gyeonggo siseutem-ui jungyohan bubeunimnida.The floodometer is an important part of the flood warning system.