Nova: Secret Tunnel Warfare

Starring: .

During World War I, the Allies devised a devastating attack, planting 600 tons of explosives in secret tunnels driven under the German trenches. NOVA uncovers traces of the operation and why it failed to break the lethal deadlock of trench warfare.

• Format: DVD
• Language: English
• UPC: 841887026444
• Release Date: March 2016
• Rating: PG (Parental Guidance Suggested)
• Publisher: PBS
• Director: .
• Starring: .
• Runtime: 1 hour
• Number of Disks: 1
• Other Video Info: DVD
• Weight: 0.15 lbs.
• Dimensions: 0.7" x 7.5" x 5.4"