FILE -- A Russian construction worker speaks on a mobile phone in Portovaya Bay some 170 kms (106 miles) north-west from St. Petersburg, Russia, Friday, April 9, 2010 during a ceremony marking the start of Nord Stream pipeline construction. Germany's network regulator said Tuesday it has suspended its procedure to certify the operator of the new pipeline Nord Stream 2 that would bring Russian gas to Germany under the Baltic Sea because of an issue with the company's legal form. (AP Photo/Dmitry Lovetsky, file)