Multiple choice

Which is the world's longest railway tunnel in Switzerland, completed on 15th oct 2010?

  1. karbude (T-35)

  2. Nathuwadi (T-6)

  3. Barcem (T-73)

  4. Gotthard Base Tunnel.

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is the worlds longest railway tunnel in Switzerland, completed on 15th oct 2010.