SHANGHAI, June 27, 2012 (Xinhua) -- Vehicles run on a steet on a gloomy day in downtown Shanghai, east China, June 27, 2012. Shanghai began to publish the city's average PM 2.5 concentration from Wednesday. (Xinhua/Chen Fei)
Copyright 1995 -
. All rights reserved. The content (including but not limited to text, photo, multimedia information, etc) published in this site belongs to China Daily Information Co (CDIC). Without written authorization from CDIC, such content shall not be republished or used in any form. Note: Browsers with 1024*768 or higher resolution are suggested for this site.
License for publishing multimedia online 0108263 Registration Number: 130349