4) Was built on “reclaimed” wetlands. Meaning it was ocean before they decided to make it a land mass.
5) What is called “concrete cancer”. The sea/salt can cause corrosion to the rebar inside and make it very, unstable. Since it was already sinking slowly, that would make this situation worse.
Was built on “reclaimed” wetlands. Meaning it was ocean before they decided to make it a land mass.”
No. It was swamp land.