Employees work at the Simon-Marq workshops, a centuries-old family business of master glassmakers, in Reims, northeastern France on July 23, 2026. The artist Claire Tabouret is designing the six stained-glass windows that will be placed in the south aisle of the nave of Notre-Dame de Paris Cathedral, these contemporary stained-glass windows are crafted by the Simon-Marq master glassmakers' workshop. (Photo by Francois LO PRESTI / AFP via Getty Images)