What a marvel of engineering! I find it amazing that it could be done almost 100 years back. I didn’t think technology was so advanced back then. Don’t the pil

What a marvel of engineering! I find it amazing that it could be done almost 100 years back. I didn’t think technology was so advanced back then. Don’t the pillars of the building go deep into the land? How were able to lift the whole building with the pillars that buried so deep?