Brussels, 09/04/2010 (Agence Europe) - At a ceremony attended by several European leaders, like Dutch prime minister Jan Peter Balkenende, French trade minister Anne Marie Idrac, German Chancellor Angela Merkel (by video), EU Energy Commissioner Günther Oettinger, Russian President Dmitri Medvedev and former German Chancellor Gerhard Schröder (who is chairing the construction consortium), the building work for the 1,223 km Nord Stream gas pipeline got underway on Friday 9 April in...