Pic Title: 黄河决口铜瓦厢 Related Events: 黄河决口铜瓦厢 Group pictures: 黄河决口铜瓦厢 Source: http://c61.cnki.net/ Pic Description: 　　铜瓦厢_CNKI学问 黄河铜瓦厢改道后的新旧河道之争 No. / 6 Picture               Slide Show

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