German Chancellor Angela Merkel and Poland's Prime Minister Ewa Kopacz (L) attend a mass in the Church of Peace in Swidnica on November 20, 2014. The ceremony is part of the celebrations marking the 25th anniversary of a Polish-German World War II reconciliation meeting. In November 1989 Polish Prime Minister Tadeusz Mazowiecki and German Chancellor Helmut Kohl took part in a holy mass in Krzyzowa. AFP PHOTO/JANEK SKARZYNSKI