David and Zack get a chance to weigh in on Tom’s interview with Joe Alonso from Episode 25, regarding masonry and the Washington National Cathedral. SEE: Washington National Cathedral (WNC) SEE: WNC Slides—Tour & Earthquake SEE: Tallest Buildings in Washington, D.C. SEE: Architect SEE: Structural engineer SEE: Stonemasonry SEE: Igneous, sedimentary, and metamorphic rock SEE: Stone carving SEE: Russell Sage Memorial Chapel Tom shares that the construction of Notre-Dame’s main crossing vault is underway. SEE: Wooden centering for main crossing vault at Notre-Dame—NBC Today Rss Apple Podcaster →