When the floods came

In a world prone to violent flooding, Britain, ravaged 20 years earlier by a deadly virus, has been largely cut off from the rest of the world. Survivors are few and far between, most of them infertile. Children, the only hope for the future, are a rare commodity. For 22-year-old Roza Polanski, life with her family in their isolated tower block is relatively comfortable. She's safe, happy enough. ...