Deep in the Heart of France: A Guide to the Loire Valley's Contemporary Caves

It is not common knowledge, even elsewhere in France, that the Loire Valley, that natural dividing line between the north and the south of France, is riddled with caves. Almost all of them are human creations, cavities hollowed out of the earth in the course of the last two millennia or more. Originally some caves were excavated to serve as refuges from marauders, others as stone quarries, others ...