A worker does the preparation work for welding the first section of the South Stream pipeline in Anapa, Russia, on Dec. 7, 2012, when Russian energy giant Gazprom was due to launch the construction of the pipeline, which is expected to be delivering up to 63 billion cubic meters of Russian gas to Europe annually, starting in 2015. (Associated Press)

Photo by: Mikhail Metzel

A worker does the preparation work for welding the first section of the South Stream pipeline in Anapa, Russia, on Dec. 7, 2012, when Russian energy giant Gazprom was due to launch the construction of the pipeline, which is expected to be delivering up to 63 billion cubic meters of Russian gas to Europe annually, starting in 2015. (Associated Press)