Title: Sŏhae pada milmul kwa ssŏlmul ŭi him manŭro chŏn'gi rŭl saengsan hanŭn kungnae ch'oech'o / segye ch'oedae kyomo ŭi Sihwaho choryŏk palchŏnso
Subjects: Hydroelectric power plants, Tidal power-plants
Places: Korea (South), Sihwa Lake