If you take into account Florida's landscape, it has got a lot of that very porous limestone that allows the rain, the acidic rain to sort of percolate down into the soil forming this cave like sinkholes here.
如果你考虑到佛罗里达景观, 已经有很多, 有非常多孔石灰岩, 这样雨, 酸性雨水浸透深入到土壤中, 形成就像天坑这种坑洞。