It may surprise you but people are still building medieval castle in France: https://www.guedelon.fr/en/ https://www.guedelon.fr/en/ (youtube has numerous video

It may surprise you but people are still building medieval castle in France: https://www.guedelon.fr/en/ https://www.guedelon.fr/en/ (youtube has numerous video from them showing medieval technics of building) And France keep some of the building tradition through something called "compagnonnage" https://fr.wikipedia.org/wiki/Compagnonnage https://fr.wikipedia.org/wiki/Compagnonnage (sry but there no en page for this article).