Photo released by Press Information Department (PID) on Nov. 26, 2013 shows Pakistani Prime Minister Nawaz Sharif (C) performs ground-breaking ceremony of the country's largest nuclear power projects in southern Pakistani port city of Karachi. Pakistan Prime Minister Nawaz Sharif on Tuesday opened construction work for the country's largest nuclear power projects in Karachi that will be built with the Chinese cooperation and will produce 2200 megawatt of electricity, local media reported. [Xinhua]