A Minnesota company is rumored to be making the suicide nets for Foxconn..... : )
20 million square feet = 0.71 sq/mile
20 Million Sq Ft: World’s Biggest Building Opens in China
http://weburbanist.com/2013/07/16/20-million-sq-ft-worlds-biggest-building-opens-in-china/
Divide the image of the circle by a bit more then half they have and you can see how large an area the new Foxconn plant will be.
http://www.latimes.com/visuals/graphics/la-how-much-is-50-million-square-feet-of-lawn-20150401-htmlstory.html
1 million sq/ft Amazon plant
20 times smaller!
https://www.bostonglobe.com/business/2017/03/23/million-square-feet-rakes-rugs-and-robots-inside-amazon-new-warehouse/2lO1X5fVI33ggika0kPEOO/story.html
WINNING!