3 mar 1990 año - Fourth tunnel into South Korea discovered
Descripción:
A fourth tunnel was discovered on 3 March 1990, north of Haean town in the former Punchbowl battlefield. The tunnel's dimensions are 7 by 7 feet, and it is 476 ft deep. The method of construction is almost identical in structure to the second and the third tunnels.
Añadido al timeline:
fecha:
3 mar 1990 año
Ahora mismo
~ 35 years ago