Gazprom Chief Executive Alexei Miller speaks during a ceremony to mark the start of construction on the Serbian leg of Gazprom's South Stream gas pipeline, in Belgrade November 24, 2013. REUTERS/Marko... more 
Gazprom Chief Executive Alexei Miller speaks during a ceremony to mark the start of construction on the Serbian leg of Gazprom's South Stream gas pipeline, in Belgrade November 24, 2013. REUTERS/Marko Djurica less 
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Reuters | Photo By Marko Djurica / Reuters / Reuters
Fri, May 23, 2014 3:04 PM EDT