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20120304_9988-beijing-pollution.jpg
04 March 2012 - Tiananmen Square, Beijing, China- The Chang'an avenue near Tiananmen square with pollution visible in the background. <br />
Beijing authorities have decided to increase the  monitoring of fine particles of air pollution in largest towns. Specialists say only 20% of chinese cities will  meet the new air standards. Photo Credit: David Gourhan