Ever since the first council tenants moved into the first tower blocks there have been growing noises of disappointment, even shouts of protest. But still there are more tower blocks under construction; and there are two million people already living high above the ground. It has now been established that the young mothers ' up there' tend to be depressed; tranquillised; imprisoned with frustrated children, cut off from play space; frightened by the vandalism and crime. What's to be done about it? On film, JACK PIZZEY goes up to the 20th floor to meet some of the families, and DESMOND WiLCOX brings them face to face with planners and politicians to see if together they can find some answers.