  In the framework of our model of soft interactions at high energy based on
CGC/saturation approach,we show that Bose-Einstein correlations of identical
gluons lead to large values of $v_n$. We demonstrate how three dimensional
scales of high energy interactions: hadron radius, typical size of the wave
function in diffractive production of small masses (size of the constituent
quark), and the saturation momentum, influence the values of BE correlations,
and in particular, the values of $v_n$. Our calculation shows that the
structure of the `dressed' Pomeron leads to values of $v_n$ which are close to
experimental values for proton-proton scattering, 20\% smaller than the
observed values for proton-lead collisions, and close to lead-lead collisions
for 0-10\% centrality. Bearing this result in mind, we conclude that it is
premature to consider, that the appearance of long range rapidity azimuthal
correlations are due only to the hydrodynamical behaviour of the quark-gluon
plasma.
