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Heihe - Wikipedia
30 Facts About Heihe - Facts.net
What life is like along Russia's border region with China
Russia and China open cross-border bridge as ties deepen
THE 15 BEST Things to Do in Heihe - Tripadvisor
Heihe Heilongjiang: Trade Center on China Border with Russia
Russia and China's friendship on display in Heihe border town - NBC News
The China-Russia border city of Heihe where harmony lies
China and Russia are building bridges. The symbolism is intentional
Heihe – Travel guide at Wikivoyage