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    Did the Zhou people have drainage systems 3,000 years ago?

    (People's Daily App) 14:53, August 01, 2025

    Drainage facilities were already in place in the capital city of the Zhou Dynasty (1046-256 BC) 3,000 years ago.

    (Produced by Chen Xiangru, Wu Shuyi and Yang Zuofei)

    (Web editor: Zhang Kaiwei, Wu Chaolan)

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