Crystal cave found in the Naiad Mountains
Water is not only a necessity for human survival, but also an important part of the human body, the water we see every day is rich in impurities, and some of these impurities are beneficial to the human body, because rich in minerals, as well as trace elements, people drink this mineral water is more beneficial to health than the real purified pure water, while some water is not suitable for direct drinking, especially that microbial infestation. Bacteria and viruses breed rivers and lakes, and people drink directly, maybe to diarrhea!
