Share this postOb River in Western Siberia, Russiadailyoverview.substack.comCopy linkFacebookEmailNoteOtherOb River in Western Siberia, RussiaOverviewSep 20, 2018Share this postOb River in Western Siberia, Russiadailyoverview.substack.comCopy linkFacebookEmailNoteOtherShareSource imagery: DigitalGlobeFollow Daily Overview here:Instagram | Facebook | Tumblr | Twitter