"Three Cities: Lourdes" is a novel-chronicle of the famous French writer Emile Zola. In this book, the author tells about a trip to Lourdes - a pilgrimage city in southern France, where believers from all over the world gather, hoping for a miracle. Zola explores the religious phenomenon of Lourdes, and also reflects the life and problems of modern society through the lens of pilgrimage. The novel "Three Cities: Lourdes" leaves the reader with a mixed impression of the plausibility of what is described, causing many thoughts and reflections about faith, society and human nature.