Russian President Dmitry Medvedev has begun talks with his South Korean counterpart Lee Myung-bak, who is on an official visit to Moscow, Itar-Tass reported. “I hope that the talks will give an intensive signal to the development of large-scale bilateral projects, will bring economic cooperation to the higher level, launch new interes, "ng projects and talk about international problems, " he said. “There is a difficult economic situation in the world and the development of bilateral productive relations between Russia and South Korea are of higher value in such a situation,” Medvedev said.