Up to a rumored 450K workers per factory zone... 1.2M employees in total at last count... http://www.bbc.co.uk/news/magazine-17429786 http://www.bbc.co.uk/news/

Up to a rumored 450K workers per factory zone... 1.2M employees in total at last count... http://www.bbc.co.uk/news/magazine-17429786 http://www.bbc.co.uk/news/magazine-17429786