In many ways they embody the hopes and dreams of their parties. Kassem's family fled from Iraq and he grew up in eastern Germany. A civil engineer by profession, he is campaigning for climate-friendly building policies. Immigrants like Kassem frequently encounter prejudice in Germany, especially in the former communist east of the country. Wiebke Winter is the youngest member of the CDU's national executive. She is currently doing a doctorate in medical law and she co-founded an organization designed to push for climate issues in her party. As a young woman she has faced hurdles within the party and her constituency. What is it like for young people who go into politics? A report by Leonie von Hammerstein.