A masterpiece of civil engineering

The excavation of the Large Electron–Positron tunnel was Europe’s largest civil-engineering project prior to the Channel Tunnel. Three tunnel-boring machines started excavating the tunnel in February 1985 and the ring was completed three years https://t.co/2GpZiK1Ga5

Impressive engineering feat! It's fascinating to see the scale and precision of such projects. The Large Electron-Positron tunnel truly showcases the ingenuity and capabilities of civil engineering.