For five hours every day the Holy Island of Lindisfarne is cut off from the rest of Northumberland by the tide. When the sea retreats, thousands of summer visitors drive across the causeway and flood the island.
' We love to see them come ... but we love to see them go,' say the islanders. Keith Allan examines the effects of the invasion on the island and its people.
Producer GILLIAN HUSH BBC Manchester
(First broadcast in 1979)