Rodong-ri, Sangwŏn-gun, Pyongyang 29 Ryongsan-ri seaweed fossils 룡산리해조류화석/龍山里海藻類化石 Ryongsan-ri, Chunghwa-gun, Pyongyang 30 River terrace of Wŏlp'o-ri 월포리하성단구/月浦里河成段丘...