Goldie
Senior Member
Many of our "Then & Now" images (particularly this last pair) illustrate the extreme difference in the exteriors of old and new construction.
Where, once, the the buildings were all masonry, we now have (almost exclusively) glass exteriors.
Can some knowledgable engineer explain, in simple terms, the main reason for this revolution in construction/appearance?
Is it because of modern developments in steel-skeleton and/or concrete infrastructure?
Where, once, the the buildings were all masonry, we now have (almost exclusively) glass exteriors.
Can some knowledgable engineer explain, in simple terms, the main reason for this revolution in construction/appearance?
Is it because of modern developments in steel-skeleton and/or concrete infrastructure?