29 NOV, 2023
Adhya Moona
Photo: AFP
Spanning 57.1 kilometers, the Gotthard Base Tunnel is the world's longest rail tunnel, connecting Erstfeld in the north to Bodio in the south.
Photo: WIKIMEDIA COMMONS
The Seikan Tunnel in Japan measures 53.8 kilometers and runs beneath the seabed, linking the islands of Honshu and Hokkaido.
Photo: X/DOGEMAN
At 50.3 kilometers, the Yulhyeon Tunnel is a significant part of South Korea's high-speed rail network, connecting Wonju to Gangneung.
Photo: WIKIMEDIA COMMONS
While primarily a rail tunnel, the Channel Tunnel also accommodates vehicle traffic. It spans 50.5 kilometers beneath the English Channel.
Photo: UNSPLASH/FLORIAN OLIVIO
The Songshan Lake Tunnel is part of China's high-speed rail network, stretching for 37.8 kilometers and connecting Guangzhou to Shenzhen.
Photo: WIKIMEDIA COMMONS
The Lötschberg Base Tunnel is a 34.57 kilometers railway base tunnel on the BLS AG's Lötschberg line cutting through the Bernese Alps of Switzerland.
Photo: WIKIMEDIA COMMONS/MOROVICTOR
This Russian rail tunnel measures 15.3 kilometers and is a crucial part of the Baikal–Amur Mainline (BAM) railway.
Photo: WIKIMEDIA COMMONS/MCCUNICANO
The Hakkōda Tunnel, at 26.5 kilometers, is a part of the Tōhoku Shinkansen, linking Morioka to Aomori.
Photo: WIKIMEDIA COMMONS/FRZ
The Guadarrama Tunnel is a railway tunnel across the Sierra de Guadarrama, forming a key portion of the Madrid–León high-speed rail line in Spain.
Photo: X/SUSAN KOPPEL
The Jungfrau Tunnel spans 7.4 kilometers and connects Kleine Scheidegg to Jungfraujoch, making it one of the world's highest rail tunnels, situated in the Swiss Alps.