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Rivers of Yunnan
Rivers of Hanoi
Rivers of Hưng Yên province
Rivers of Nam Định province
Rivers of Thái Bình province
Rivers of Lào Cai province
Rivers of Yên Bái province
Rivers of Phú Thọ province
Rivers of Vĩnh Phúc province
Rivers of Hà Nam province
International rivers of Asia
Gulf of Tonkin
China–Vietnam border