The world’s longest (57km) and deepest railway tunnel was opened in ______?
The world’s longest (57km) and deepest railway tunnel was opened in ______?
دنیا کی سب سے لمبی (57 کلومیٹر) اور گہری ریلوے سرنگ ______ میں کھولی گئی؟
Explanation
- The longest railway tunnel in the world is the Gotthard base tunnel.
- The Gotthard base tunnel is situated in Switzerland.
- Gotthard base tunnel is 57 Km long and provides high-speed rail link.
- Seikan Tunnel is 53 Km long and situated in Japan.
- Yulhyeon Tunnel is 50 Km long and situated in South Korea.
- Channel Tunnel is situated on the English Channel on Dover strait.