National Geographic Documentaries

Secrets Of The Great Escape Revealed (2014x30)

Data de estreia: Out 31, 2014

For nearly 70 years, the tunnel allowing 76 allied airmen to flee from a POW camp in Poland has remained undisturbed. Now a crack team of engineers and historians are out to reveal its hidden secrets. A crack team of engineers and historians continue to unravel the secrets hidden in the tunnel that allowed 76 allied airmen to flee from a WWII POW camp in Poland.