[dan-robertson]

But that’s a polder made mostly by building dykes and draining the land rather than raising up the ground level across 970 square km. Flevopolder is about 4m below sea level.

I think the plan here is different and will not be done by building up dykes and draining the area inside.

[bombcar]

Yeah replacing water with air is a big project but replacing water and air with land is bigger.