How did trade fairs in cities such as Paris, Lyon, Nancy, and Strasbourg spread artistic ideas?

During the Middle Ages, important trade fairs held in growing cities such as Paris, Lyon, Nancy, and Strasbourg served as vital hubs for more than just the exchange of goods. By concentrating supply and demand in specific locations at regular intervals, these fairs provided a unique environment for the demonstration of skills and the exchange of ideas.12

These gatherings enabled the spread of artistic ideas and cultural trends to and from various regions, which helped place France at the center of a nascent European high culture that eventually reached its peak during the Renaissance. Beyond their economic function, these fairs acted as essential conduits for intellectual and creative interaction, facilitating the movement of cultural influences across borders and contributing to the broader development of European society.12