Mylene Pardoen (2L), researcher at the French National Center for Scientific Research (CNRS) and sound heritage archaeologist, captures the sounds of manual labor performed by the builders of Guedelon Castle, who are using 13th-century techniques and tools to construct a fortified castle in Treigny, central eastern France, on September 11, 2025. Mylene Pardoen, "sound archaeologist", captures the sounds of a fortified castle under construction using 13th-century techniques to recreate the soundtrack of the Middle Ages. This former military helicopter mechanic has retrained as a musicologist. Combining her passion for history with her expertise in sound, she has invented her own profession, unique in the world: "sound archaeologist". (Photo by ARNAUD FINISTRE / AFP via Getty Images)