Discover the buildings and the history of the place, meandering through the streets of the village of Long. With anecdotes, stories, testimonies, you will learn more about its history: how could a small village develop so much? What role did water and the Somme play? The highlight (Cavaillé-Coll) of the tour will be the visit of the church of Saint-Jean-Baptiste, overlooking the village with all its greatness.