Polish President Andrzej Duda (L) and Ukraine's President Volodymyr Zelensky arrive for a press conference on the sidelines of the ceremonies commemorating the 75th anniversary of the former Nazi death camp's liberation in Oswiecim, Poland, on January 27, 2020. - More than 200 survivors are to come from across the globe to the camp the Nazis built in Oswiecim in then-occupied Poland, to share their testimony as a stark warning amid a recent surge of anti-semitic attacks on both sides of the Atlantic. (Photo by Janek Skarzynski / AFP)