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<正>河北省自然资源厅发布古生物化石调查成果，经过调查评价，河北地质调查人员在张家口宣化发现的大型恐龙足迹化石群共有恐龙脚印4,300多个。主题语境：考古篇幅：329词建议用时：6分钟More than 4,300 dinosaur footprints have been discovered in Zhangjiakou, North China’s Hebei Province, the most such markings found in one site in the country, according to the Department of Natural Resources of Hebei, which disclosed related survey results.
