  It is shown that the ground state or vacuum to the lattice Euclidean quantum
gravity is significantly different from the ground states to the well-known
vacua in QED, QCD, et cetera. In the case of the lattice Euclidean quantum
gravity, the long-wavelength scale vacuum structure is similar to that in QED,
moreover the quantum fluctuations to gravity are very reduced in comparison
with the situation in QED. But the small scale (of the order of the lattice
scale) vacuum structure to gravity is significantly different from that to the
long-wavelength scales: the fluctuation values of geometrical degrees of
freedom (tetrads) are commensurable with theirs most probable values.
