A woman was pulled out alive Tuesday from the rubble of a building that collapsed four days ago in central China, state media said, calling the rescue a "miracle".The commercial building in Changsha city, Hunan province – which housed apartments, a hotel and a cinema – caved in on Friday, sparking a massive rescue effort with hundreds of emergency responders.State broadcaster CCTV showed footage of a person wrapped in a thick striped blanket being carried on a stretcher – the ninth