Farewell to 'APEC blue' as smog returns to Beijing (2/4)
2014-11-20 09:07
Ecns.cn
Web Editor:Yao Lan
A man takes photos at the Tian'anmen square in Beijing on Wednesday, November 19, 2014. Smog shrouded Beijing again after blue skies lasted more than a week in the city after the APEC Summit, during which clear skies were dubbed "APEC blue." [Photo: China News Service/ Song Hantao]
