Article Photos: Gazprom starts building Europe-bound pipeline 1/5

A worker does the preparation work for welding the first section of the South Stream pipeline in Anapa, Russia, Friday, Dec. 7, 2012. Russian energy giant Gazprom is due to launch on Friday 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. (AP Photo/Mikhail Metzel)