Soissons, with its ancient Saint-Jean-des-Vignes abbey, rules over its rich agriculture. It is at the gates of this city that Clovis defeated the Romans and where the famous « vase de Soissons » episode took place. Who broke it? This remains a mystery. In 1918, nevertheless, not much was left apart from a gorgeous Cathedral, a masterpiece of gothic art, and the remains of an ancient and magnificent abbey.