Create a cinematic, horizontal featured image for a science blog about copper. The scene should feature a large open-pit copper mine set amidst rocky mountains, with massive mining machinery actively extracting ore. In the foreground, rocks with visible copper veins should be displayed, while the background subtly and naturally illustrates the connection between copper, technology, and electronic devices. The lighting should be the warm, golden glow of sunset, utilizing a natural color palette of browns, earth tones, and copper hues. The image must be realistic and highly detailed, conveying a scientific, documentary-style atmosphere. The composition should be balanced, leaving ample negative space at the top for the article title. The aspect ratio should be 16:9. Mehr sehen