Swiss president Karin Keller-Sutter will represent Switzerland in Poland on Monday to mark the 80th anniversary of the liberation of the Auschwitz-Birkenau concentration camp. + Get the most important news from Switzerland in your inbox Two survivors are also travelling with Keller-Sutter as an official part of the Swiss delegation. The brothers Alfred and Rudolf Popper, who survived Auschwitz as children, will take part in the commemorative event for the first time since their liberation in 1945. Every year, January 27 is dedicated to the memory of the victims of the Holocaust. + Focus: the history of anti-Semitism in Switzerland In Switzerland, numerous public buildings will be illuminated on Monday evening to commemorate the liberation of the concentration camp. The Federal Palace will also be illuminated in various colors. Similar events are planned at municipal and cantonal level. Public and state authorities abroad are also taking part in the campaign. The Swiss events are ...