Berlin's Cold Bus helping the homeless

Kathy Kaiser's job sometimes pushes her to the limit, partly because of the plight of many people experiencing homelessness, but also because far too few passersby stop and call for help when they see a person in need. Many unsheltered people in Berlin come from Eastern Europe. They can have difficulty making themselves understood, and often have mental health problems. Sometimes, even Kaiser is unable to help. But she is determined to continue her work, because she knows she is making a big difference.

A report by Killian Bayer.