The rocky road to the Olympics

The Olympic Games are the career highlight of every athlete. But the next games will be different in times of a world-wide pandemic. It is still not guaranteed they will take place. We're accompanying four German athletes hoping to make it to Tokyo: fencer Alexandra Ndolo, javelin thrower Thomas Röhler, high jumper Marie-Laurence Jungfleisch and Teakwondo fighter Madeline Folgmann