Title: 4-tae kang puyŏkcha wa chŏhangjadŭl
Subjects: Waterways, Planning, Canals, Politics and government, Voies navigables, Aspect de l'environnement, Canaux, Politique et gouvernement, Environmental aspects
Places: Korea (South), Corée du Sud
People: Myung-Bak Lee
Time periods: 2002-