A road sign directs traffic towards the Nord Stream 2 gas line landfall facility entrance in Lubmin, north eastern Germany, on September 7, 2020. (File photo: AFP)

ST. PETERSBURG, June 4 (Xinhua) -- The laying of pipes for the first leg of the Nord Stream-2 natural gas pipeline between Russia and Germany has been completed, and Russia is ready to build more energy projects with European partners, Russian President Vladimir Putin said Friday.