Justdroppedin
10-22-2022, 12:11 PM
The river with a pH between 1.7 and 2.5 contains sulfuric acid. Its red color comes from dissolved iron and other heavy metals.......
https://i.redd.it/3s03lzhg38v91.jpg
https://i.redd.it/3s03lzhg38v91.jpg
View Full Version : Spain's Río Tinto.......