Baumettes prison in Marseille, France, is probably the worst prison in Europe. It's overcrowded and dirty. There will be a 10-year renovation project that should bring the prison up to modern standards of hygiene, safety and security.
62-year-old Columbian former drug addict Miguel Restrepo and his wife Maria Garcia have built their home inside a sewer 22 years ago. And they are happy they have it.