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Baiyangdian, the largest freshwater lake in northern China, sits at the heart of Xiongan New Area. Its water was once rated Class Five, the lowest grade. In 2021, it reached Class Three, and it has stayed there for five years in a row.
Baiyangdian, the largest freshwater lake in northern China, sits at the heart of Xiongan New Area. Its water was once rated Class Five, the lowest grade. In 2021, it reached Class Three, and it has stayed there for five years in a row.