This month, archaeologists relocated a lost tunnel that Jewish prisoners dug to escape a Nazi killing site in Lithuania. They discovered the secret passage way at Ponar, near Vilnius, using non-invasive ground-sensing techniques.
Up to 100,000 people, most of them Jews, were killed at Ponar between 1941 and 1944. Beginning in 1943, Nazi forces kept a unit of Jewish prisoners at the site to cover up the evidence of the executions that took place in pits like this one. [Read the full story here]
A view from above
With the ERT data, the researchers were able to trace the path of the rest of the tunnel.. [Read the full story here]