An undated still image taken from a video made available by the Russian Defence Ministry in Moscow, Russia December 2, 2015, shows the Turkish-Syrian border crossing. Russia's defence ministry officials displayed satellite images on Wednesday which they said showed columns of tanker trucks loading with oil at installations controlled by Islamic State in Syria and Iraq, and then crossing the border into neighbouring Turkey. REUTERS/Russian Defence Ministry/Handout via Reuters ATTENTION EDITORS - THIS PICTURE WAS PROVIDED BY A THIRD PARTY. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. FOR EDITORIAL USE ONLY. NO RESALES. NO ARCHIVE. THIS PICTURE IS DISTRIBUTED EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS.