Real estate tycoon measures PM2.5 in Shanghai metro (9/10)
2014-01-09 16:14
Ecns.cn
Web Editor:Gu Liping
Pan Shiyi (C), a real estate tycoon, measures PM2.5 using a device in a metro station of Shanghai, with reporters around him on Jan 9, 2014. Pan said the concentrations of PM2.5 in 14 spots selected from Shanghai subway were from 36 to 54 micrograms per cubic meter. [Photo: China News Service / Pan Suofei]
