Behind the scenes at some of the world’s greatest luxury brands, including Louis Vuitton, Bulgari, Christian Dior, and Berluti, are craftspeople creating leather goods, jewelry, watches, footwear, and more using techniques that have been employed for more than a century. On June 15 and 16, LVMH Moët Hennessy Louis Vuitton—the luxury-goods conglomerate that owns numerous brands, including those mentioned previously—is opening the doors to over 40 of its European workshops to share its artisanal crafts with the …