科学与环境

How Spain's torrential rainstorms put sewage into its rivers and seas

来源: Phys.org - latest science and technology news stories · 发布于

How Spain's torrential rainstorms put sewage into its rivers and seas
来源: Phys.org - latest science and technology news stories

After heavy rain, Spanish cities often awaken to refreshed air and clean streets, while the rainwater itself vanishes into storm drains along with everything it swept away. Underground, however, a very different story unfolds.

After heavy rain, Spanish cities often awaken to refreshed air and clean streets, while the rainwater itself vanishes into storm drains along with everything it swept away. Underground, however, a very different story unfolds.

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