• Kingdom (English Channel) 50.45 km (31.3 mi), 3 tubes 1994 High Speed 1 (UK) / LGV Nord (France) Yulhyeon Tunnel South Korea (Gyeonggi) 50.3 km (31.3 mi) 2016...
    66 KB (1,967 words) - 12:28, 26 August 2024