July 1, 2016
Using advanced imaging technology, researchers in Lithuania have uncovered a tunnel that Jewish prisoners used to escape Nazi extermination pits. By doing so, they have provided physical evidence of a well-known tale of heroism during the Holocaust — known before only through the testimony of 11 Jews who escaped.
Source: Researchers Uncover Long-Lost Tunnel Used By Jews To Escape Extermination Pits : The Two-Way : NPR