The Kent coastal town of Folkestone lies at the foot of the North Downs, with France visible across the Strait of Dover. The town developed around the harbour built in the nineteenth century, both as a resort and a port for cross-Channel ferries. Hotels, theatres and a pier were built in this era to attract fashionable visitors, but in the twentieth century a wider range of incomers settled in the town. Folkestone was at the front line in two world...