How Switzerland Cleaned Up Its Water瑞士如何净化水质

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In the first days of spring， people flock to Lake Geneva’s tree-lined promenade1， their faces tilted towards the sun. Dior， Cartier and Rolex are among the high-end shopfronts2 overlooking the water.

春日伊始，人们纷纷涌向日内瓦湖畔绿树成荫的步道，仰头沐浴阳光。（剩余9085字）

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