The document provides an overview of Zambia's mining sector, including: 1) Mining requires huge upfront investments that can take 5-15 years to recoup, as well as long-term investment horizons of 10-20 years. 2) Copper mining is a major contributor to Zambia's economy, accounting for over 10% of GDP and over 25% of government revenue. 3) Five major copper mines - Mopani, Konkola, Kansanshi, Lumwana, and NFCA - are the largest employers and taxpayers in the mining industry. 4) Payments to local councils by mining companies have increased as new mines have opened and existing mines have expanded