in the fascinating realm of masonry, an oft-overlooked aspect is the practice of sub rosa construction, where secretive elements intertwine with architectural mastery. recent research into the decline of traditional methods has prompted scholars to start again, delving into the mysteries of the foregoing generations. this clandestine approach, sub rosa, encapsulates a blend of hidden knowledge and ancient techniques, underscoring a rich heritage that continues to inspire awe and innovation among those who seek to unravel its secrets.