For Marija Frlan it’s as symbolic as it can get: A survivor of a Nazi concentration camp during World War II, the Slovenian woman turns 100 years old on Monday, the international Holocaust Remembrance Day. Frlan, who was held at the Nazi’s Ravensbruck camp in northern Germany for over a year in 1944-45, will join other survivors and officials in Poland on Monday for ceremonies marking the 75th anniversary of the liberation of the Auschwitz death camp. “The ones who didn’t survive this, they can’t understand, no,” the energetic woman said at her home in the small village of Rakek in southwestern Slovenia.