I adore these videos from Dior of making mini dresses for their Le Petit Théâtre Dior exhibition. I can’t imagine working in a couture atelier! So much time spent on making tiny flowers or sewing on sequins.
https://www.youtube.com/watch?v=1mihmTwi-rg
https://www.youtube.com/watch?v=GFatSl0mq_M