With rolling hills, forests and hiking trails, Southeast Ohio is a haven for lovers of the outdoors. Yet cutting through the landscape are countless orange-stained streams, colored by the iron oxide pollution that has seeped into them from abandoned coal mines.


원문출처 : https://www.cnn.com/2022/08/02/world/ohio-rivers-acid-mine-drainage-paint-scn-spc-intl/index.html