They didn't work all night. http://news.ycombinator.com/item?id=1895987 http://news.ycombinator.com/item?id=1895987 According to their website they're an air-

They didn't work all night. http://news.ycombinator.com/item?id=1895987 http://news.ycombinator.com/item?id=1895987 According to their website they're an air-conditioning company, based in Changsha, providing products to 70 different countries: http://www.broad.com:8089/english http://www.broad.com:8089/english http://www.broad.com http://www.broad.com (Chinese) Not entirely sure why they've got into building, but they emphasise the sustainability of their construction technique. The owner likes to show off going by his private jet, the fact he built a palace in the style of Versailles, and the 130 foot pyramid on the company campus, picture in the impressive article below. http://www.theatlantic.com/magazine/archive/2007/03/mr-zhang-builds-his-dream-town/5616/ http://www.theatlantic.com/magazine/archive/2007/03/mr-zhang... Chinese version: http://www.broad.com:8089/news/read.asp?id=226 http://www.broad.com:8089/news/read.asp?id=226 More details on the building in the video at http://www.broad.com:8089/english/down/en_kj.pdf http://www.broad.com:8089/english/down/en_kj.pdf