Introduction to cultural relics: The museum collects more than 20,000 recent and modern cultural relics, including: 48 first-class cultural relics, 72 second-class cultural relics, 326 third-class cultural relics, and more than 10,000 general cultural relics. Hundreds of varieties are on display in five categories: geological and mining cultural relics, early industrial cultural relics, revolutionary historical cultural relics, and Kailuan historical and cultural documents.