Flemish Bond: In this sort, Each and every course contains alternating headers and stretchers. The header is centered within the stretcher down below it. This type is both of those sturdy and aesthetically satisfying. Gothic architecture originated during the twelfth century, succeeding the Romanesque type, and was dominant in Europe https://digitalasset.blob.core.windows.net/digitalassets/wsthillsmasonry/Hardscape-Contractors.html