Gen. Hahn Sung-Chu never believed North Korea could dig a tunnel that reached Seoul – until now. Standing inside a basement of an apartment block in the heart of the capital, the former two-star ...

Tourists exit the '2nd Tunnel' near Cheorwon, near the demilitarized zone (DMZ), on May 20, 2015. The second North Korean infiltration tunnel was discovered in 1975, one of a series constructed by ...

Visitors to the de-militarised zone separating the two Koreas can glimpse a bizarre tourist attraction - tunnels built by North Korea as part of Cold War invasion plans. Four tunnels have been ...