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Old photo: The tunnel tactics of volunteer soldiers during the War to Resist US Aggression and Aid Korea broke the local defense line

Old photo: The tunnel tactics of volunteer soldiers during the War to Resist US Aggression and Aid Korea broke the local defense line

Remove the mines planted by the enemy and bury them in the area where the enemy is active

Old photo: The tunnel tactics of volunteer soldiers during the War to Resist US Aggression and Aid Korea broke the local defense line

Squads attack

Old photo: The tunnel tactics of volunteer soldiers during the War to Resist US Aggression and Aid Korea broke the local defense line

The library inside the tunnel

Old photo: The tunnel tactics of volunteer soldiers during the War to Resist US Aggression and Aid Korea broke the local defense line

The volunteer warriors braved the enemy's heavy artillery fire to charge the enemy down the hill

Old photo: The tunnel tactics of volunteer soldiers during the War to Resist US Aggression and Aid Korea broke the local defense line

A certain headquarters of the Volunteer Army issued a battle order to attack Lao Bald Mountain

Old photo: The tunnel tactics of volunteer soldiers during the War to Resist US Aggression and Aid Korea broke the local defense line

Put the red flag of victory on old bald mountain

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