IWitness has added another update to help users more easily discover new content on the site.

Jean Greenstein describes the three months he spent with two other men and a woman hiding in an underground bunker. At one point the German troops came into the town and made their headquarters directly above the bunker where Jean and the others were hiding.

Tracy Sockalosky teaches 7th Grade Social Studies at Wilson Middle School in Natick, Mass. In January 2015, Sockalosky was one of the 25 educators who participated in the Auschwitz: The Past is Present professional development program in Poland.