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所属栏目：探索发现
所属频道：CCTV-10科教
年份：2017
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简介：它山堰，见证了我们的祖先与自然和谐共处的辛勤努力，也记录着历史的沧桑与变化。这座矗立千年的水利工程，发挥着阻咸、蓄淡、引灌、泄洪的四大功能，为宁波这一方水土的繁荣与发展，做出了难以估量的巨大贡献。收起
《探索发现》 20170106 它山堰（下）
《探索发现》 20170105 它山堰（上）
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