Workers attend the ceremony of the second reactor of the Cernavoda nuclear power plant entering commercial use in Cernavoda, 180 km (112 miles) east of Bucharest October 5, 2007. Romania plans to build a second nuclear power plant after the completion of two more reactors at its Cernavoda plant on the Danube river, Prime Minister Calin Popescu Tariceanu said on Friday. REUTERS/Mihai Barbu (ROMANIA)