Spanning an impressive 57.1 kilometers (35.5 miles), the Gotthard Base Tunnel, opened in 2016, is renowned as the world's longest railway tunnel. (Pic Credit: Freepik- Representational image)
As Asia's longest and deepest rail tunnel, the Seikan Tunnel stretches across 53.9 kilometers (33.46 miles). (Pic Credit: Freepik- Representational image)
The Channel Tunnel, extending over 50.5 kilometers (31.35 miles), holds the distinction of being the longest undersea rail tunnel globally. (Pic Credit: Freepik- Representational image)
In South Korea's Gyeonggi Province lies the Yulhyeon Tunnel, a significant railway tunnel spanning 50.3 kilometers (31.3 miles). (Pic Credit: Freepik- Representational image)
Connecting Jiao Station and Changping East Station in southern China, the Songshan Lake Tunnel measures 38.8 kilometers (24.1 miles). (Pic Credit: Freepik- Representational image)
Situated in the Swiss Alps, the Lötschberg Base Tunnel covers a distance of 34.6 kilometers (21.5 miles). (Pic Credit: Freepik- Representational image)
The New Guanjiao Tunnel traverses the Guanjiao Mountain in northwest China, spanning 32.7 kilometers (20.3 miles). (Pic Credit: Freepik- Representational image)