Newly-elected leader of Germany's ruling Christian Democratic Union (CDU) Annegret Kramp-Karrenbauer wipes tears during the party conference in Hamburg, Germany, on Dec. 7, 2018. Annegret Kramp-Karrenbauer was elected new chairperson of Germany's ruling CDU at the party's 31st national congress here on Friday, succeeding Chancellor Angela Merkel who has led the party for 18 years. (Xinhua/Shan Yuqi)