it has several circular layers of platforms each smaller than the last and each almost hovering on top of the other one below it , each separated by a thin series of line connectors that extends down to a central tower that extended higher and higher with rings around it like a giant water fountain growing thinner until it reached its apex and extended outward to encompass another series of circular layers starting with the smallest and connecting to each subsequent layer larger than the last until it has a larger circular layer somewhat smaller than the main one on the bottom series .