A historic project – www.qstheory.cn



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A historic project www.qstheory.cn

At the foot of Yanshan, the coast of the Bohai Sea, the edge of Taihang. Traces of history, walking through slopes, climbing through ridges, leaving breath of vitality. When Secretary General Xi Jinping promoted "coordinated development of Beijing-Tianjin-Hebei" into the country five years ago …

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