FILE - This Tuesday Jan. 3, 2006 file photo shows a set of pipes in a gas storage and transit point in Boyarka, just outside Kiev. Russia's vigorous efforts to keep Ukraine within its orbit of influence stem from complex strategic, emotional and cultural issues. Ukraine serves as the main conduit for Russia’s natural gas exports to Europe, and the pricing disputes between the two countries have led to shutdowns in many parts of the continent. (AP Photo/Sergei Chuzavkov, File)
Zdroj:
Sergei Chuzavkov
