English: The Marble Mountains ("Five elements mountains") are a cluster of five marble and limestone hills located in Ngu Hanh Son ward, south of Da Nang city in Vietnam. The five 'mountains' are named after the five elements; Kim (metal), Thuy (water), Moc (wood), Hoa (fire) and Tho (earth).
Huyen Khong Cave
Kim Son, Hoa Son
Element: Metal (Kim Son), Fire (Hoa Son).