Innovation | Technology | AI on Instagram: "This is how tunnels quietly appear beneath cities and mountains 🏗️🌀 What looks like magic underground is actually one of the most impressive machines ever built: the Tunnel Boring Machine. At the front, a massive rotating cutterhead grinds through rock and soil ⚙️ Designed to handle everything from soft earth to solid stone. As material is cut away, conveyor systems immediately carry it out of the tunnel 🚛 Keeping the process continuous and controll