WHAT IS A CORNERSTONE?

Until the development of steel-frame construction in the 20th Century, most buildings were erected by stacking stone on stone. Each part of the building was marked by ceremonies. The foundation stone was the first stone placed underground at the beginning of the building’s foundation. The cornerstone was the first stone placed above ground level. It is a massive stone, marking the northeast corner of the building. At the top of the building was the capstone. [Read more…]