Amazing Marble Mountains

[Image Credit]

Marble Mountains is 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). And This is Huyen Khong Buddhist grotto carved into the Marble Mountains. [Wiki]