1. When did the idea of a tunnel first appear? 2. Why was it possible to build a tunnel under the sea? 3. Napoleon was very interested in building a tunnel, wasnt he? 4. Who produced the project of the tunnel in 1860s? 5. When did actual digging begin? 6. How long was a pilot tunnel? 7. Why was digging stopped? 8. When did Britain & France return to the abandoned project? 9. What was the route of the tunnel, proposed by the Channel Study Project group? 10. When did French & English engineers shake hands with each other deep under the waters of the Channel?