Secret Tunnels of the Vietnam War | Cities of the Underworld

Secret Tunnels of the Vietnam War | Cities of the Underworld

Be careful where you walk–history’s afoot! See a Vietnam that you’ve never seen before. During the Vietnam War the media flooded the world with images of soldiers and jungles.

“Cities of the Underworld” descends below the streets of major cities such as New York, Cairo, London, and Tokyo to explore the remnants of subterranean civilizations left buried there.