Real estate tycoon measures PM2.5 in Shanghai metro (10/10)
2014-01-09 16:17
Ecns.cn
Web Editor:Gu Liping
Photo taken on Jan 9, 2014 in Shanghai shows Pan Shiyi, a real estate tycoon, with a measureing-PM2.5 device in his hands. Pan measured PM2.5 in 14 spots selected from Shanghai metro Thursday. [Photo: China News Service / Pan Suofei]