Michael Ainslie, President of the US National Trust for Historic reservation, Pamela Cressey, city archaeologist, Alexandria, Virginia, and Donald Gonzales, former senior vice-president, Colonial Williamsburg Foundation, talk about the preservation movement in the United States

This programme is part of Why Preserve the Past, a series based on recordings made at a seminar organized by UNESCO and the Smithsonian Institution in Washington in 1985 (consult it here)