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Introduction to the mining area sand table: When you walk into the museum, you will first see a large sand table model of the Wanshan mining area and urban distribution, giving you an unobstructed view of the vast mountainous landscape.
Introduction to the mining area sand table: When you walk into the museum, you will first see a large sand table model of the Wanshan mining area and urban distribution, giving you an unobstructed view of the vast mountainous landscape.