Russia is the world leader in nuclear technology, Russian President Vladimir Putin said, TASS reports. "With our help, nuclear energy is created practically from scratch in foreign countries, an entire industry is created, specialists are trained, the necessary infrastructure is developed in accordance with the strictest environmental standards," the Russian leader added at the launch of the construction of the seventh power generating unit of the Leningradskaya Nuclear Power Plant and the launch of the construction of the Moscow-Saint Petersburg high-speed railway. Also, Putin noted that "today, Rosatom [State Atomiс Energy Corporation of Russia] is building 22 power units in seven countries."