FILE - A Russian construction worker smokes in Portovaya Bay some 170 kms (106 miles) north-west from St. Petersburg, Russia, on April 9, 2010, during a ceremony marking the start of Nord Stream pipeline construction. Russia's Gazprom state-controlled energy giant said it will shut down the Nord Stream 1 natural gas pipeline to Germany for three days of maintenance starting Wednesday, raising economic pressure on Germany and other European countries that depend on the fuel to power industry, generate electricity and heat homes. (AP Photo/Dmitri Lovetsky, File)
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