Mine de Stilfontein en Afrique du sud : Des milliers de mineurs illégaux restent sous terre – BBC.com

Write a detailed and engaging article about Mine de Stilfontein en Afrique du sud : Des milliers de mineurs illégaux restent sous terre  BBC.com. The article should be structured with clear distinct paragraphs, each focusing on a specific aspect of the topic. Keep the tone human and conversational while ensuring the content is informative, well-organized, and easy to read. avoid adding a conclusion; focus purely on delivering structured, insightful information.