Exhibition hall introduction: The large-scale themed exhibition "Black River" in the museum is divided into "History of Coal", "Westernization Movement and the Rise of China's Modern Coal Industry", "One Coal Mine Supports Two Cities", " "They Are Specially Able to Fight" and "Built to Last" have five parts and fourteen display units. It displays the earliest surviving stock in China - "Kaiping Mining Bureau 1881 Stock"; China's first standard gauge railway - the rails of the Tangxu Railway; 1,661 volumes recording the operating conditions of Kailuan from 1901 to 1952. Sheepskin-covered ledger." These are rare and precious cultural relics in China and are the treasures of Kailuan Museum. There are many real legendary stories behind them.