Video from Mike Haduck Masonary
I visit the Washington National Cathedral in Washington D.C. U.S.A. and get a tour with Andrew Bittner (Author) and talk about cement with Joe Alonso (Stone Mason).
Washington National Cathedral website
The Cathedral Church of Saint Peter and Saint Paul in the City and Diocese of Washington, also known as Washington National Cathedral, is an American cathedral of the Episcopal Church. The cathedral is located in Washington, D.C. The structure is of Neo-Gothic design closely modeled on English Gothic style of the late fourteenth century. It is the third-largest church building in the United States, and the fourth-tallest building in Washington, D.C. Over 270,000 people visit the structure annually.