Money-saving is the cause......the S/F bldg’s problems occurred b/c the builder did not go down enough feet as they laid the foundation.
And physics. There's a reason why the pyramids, built on sand, are shaped the way they are and still standing. Some building lots are just not suitable for tall towers.
76 posted on 02/01/2017 2:15:50 PM PST by Albion Wilde
("January 20, 2017, will be remembered as the day the people became the rulers of this nation again.")