KACPER PEMPEL and JOANNA PLUCINSKA MARIAN Turski, a 94-year-old survivor of the Auschwitz death camp, was marking the 76th anniversary of its liberation by Soviet troops on Wednesday only virtually, aware that he might never return as the coronavirus pandemic drags on. Survivors and museum officials told Reuters they fear the pandemic could end the era where Auschwitz's former prisoners can tell their own stories to visitors on site. Most Auschwitz survivors are in their eighties and nineties. "Even if there was no pandemic, there would be fewer survivors at every anniversary," Turski told Reuters in a Zoom interview from…