Where is the world’s longest tunnel operating?
A. Japan
B. France
C. Switzerland
D. Germany
Answer:C
Where is the world’s longest tunnel operating?
A. Japan B. France C. Switzerland D. Germany
Explanation: Gotthard Base Tunnel (GBT) is situated in the Swiss Alps and connects Zurich to Lugano. The tunnel took 17 years to build, at a cost of over 12 billion Swiss francs. Check Detail Explanation at INDIA GK" App: tinyurl.com/IndiaGK