Floor Profile

This is a prifile view of the floor we just took out:
The bottom layer (red): some sort of really old flooring, possibly as old as the apartment (1909)
Second layer up: cement
Third layer up: mosaic tiles, most likey from the 1960s by the way the colors look..beige, grey, green
The fourth layer up: Tile Adhesive
Fith layer up: (not shown) the visible layer of tile we had when we moved in!