Edited By: Pragati Bhandari

10. Xishan Tunnel  Xishan Tunnel, located in China,  is an impressive transportation infrastructure. Spanning through rugged mountains, it serves as a crucial passage, ensuring smooth and safe travel in the region.

09. Mount Ovit Tunnel  Mount Ovit Tunnel, located in Turkey, is an extraordinary engineering feat. Spanning a considerable distance,  it provides a crucial transportation passage through the challenging terrain of Mount Ovit, facilitating efficient connectivity and travel.

08. Ryfylke Tunnel  Ryfylke Tunnel, situated in Norway, is an impressive infrastructure marvel. Stretching over a significant distance, it offers a vital transportation link through the scenic landscapes of Ryfylke, enhancing regional connectivity and travel efficiency.

07. Zhongnanshan Tunnel  Zhongnanshan Tunnel, located in China, is a remarkable engineering accomplishment. Extending over a significant distance, it provides a crucial transportation route through the rugged terrain of Zhongnanshan, ensuring efficient connectivity and travel.

06. Yamate Tunnel  Yamate Tunnel, situated in Japan,  is an important transportation landmark. Stretching over a significant distance, it serves  as a crucial passage, connecting cities and improving travel efficiency in the region.

05. Mount Erlang  Tunnel Mount Erlang Tunnel,  located in China, is an impressive engineering feat. Spanning a considerable distance, it provides a vital transportation link through the challenging terrain of Mount  Erlang, enhancing regional connectivity and travel efficiency.

04. Arlberg Road  Tunnel The Arlberg Road Tunnel is a notable transportation artery in Austria. Spanning a significant distance, it allows for efficient  and convenient travel through the Arlberg mountain range,  enhancing regional connectivity.

03. Gotthard Road  Tunnel Gotthard Road Tunnel is  a major infrastructure marvel in Switzerland. Stretching over a considerable distance, it serves  as a vital road link through the Gotthard Massif, providing efficient transportation across the region.

02. Jinpingshan Tunnel  Jinpingshan Tunnel, located in China, is an impressive feat of engineering. Stretching over a significant distance, it provides a crucial transportation link, overcoming challenging terrain  and ensuring efficient connectivity.

01. laerdal tunnel   Xishan Tunnel, located in China, is an engineering marvel that spans through rugged mountains. It enhances transportation connectivity by providing a vital passage for vehicles, ensuring efficient and safe travel.