Vray for sk: blue background

[clara.ghi]

hi everyone, i'm doing an interior render with vray for sk and and the background i see looking through the windows is too blue! i've settled the physical camera on, the sky as light source for the gi skylight and the background as well, (with multiplier 1, ozone 0.35 and turbidity 3) and the glass i look through is kind of grey, not blue. ah, the buildings i see in the background are in shadow, but i don't understand id it matters for the blue tone. what else can it be? any ideas? thanks!

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[valerostudio]

It's blue because your sunlight GI is going to be bluish in color, especially on white faces. See this video which explains how to reduce the bluish toning. http://youtu.be/cPxtadpyM20