Fox News explores copper mine 7,000 feet underground in Arizona

📍Explore the Tongling Ancient Copper Mine Site Museum in Jiujiang, Jiangxi 📹Let's join Zhang Xingyue from Madagascar, as she takes you to explore a super hardcore treasure spot — the Tongling Ancient Copper Mine Site Museum in Jiujiang, Jiangxi! This is the earliest copper mining site in China. Get ready to travel back 3,000 years and “dig” into the country’s oldest copper mine. Here, you can immerse yourself in reconstructed ancient mining tunnels and scenes, experiencing firsthand the ingenu