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19 mar 1975 ano - Second tunnel into South Korea discovered

Descrição:

The second tunnel was discovered on 19 March 1975. It is of similar length to the first tunnel. It is located between 160 and 520 ft below ground, but is larger than the first, approximately 7 by 7 feet.

Adicionado na linha do tempo:

Data:

19 mar 1975 ano
Agora
~ 50 years ago