64岁的顾金成居住在黄河边的一个村庄，他目睹了黄河的变化：“以前的水一股臭味，经过整治后臭味也没有了。”
Gu Jincheng, 64, a resident of a village near the Yellow River, has personally witnessed the river’s transformation, and says, “The water used to stink, but after cleaning and treatment, the smell is gone. “