  A new noncommutative spacetime of structure $ {\cal M}^4 \times Z_2 \times
Z_2$ is proposed. The generalized Hilbert-Einstein action contains gravity, all
known interactions and Higgs field. This theory can also provide a unified
geometric framework for multigravity, which might explain the existence of dark
matter and inflationary cosmology. In other words, high energy physics has laid
out the crude shape of the new spacetime, while cosmology will shed light to
the more details of it.
