Wow, before seing this photo, I had no idea of real gravity of the situation in Paris, France. It even reminds me of the Chinese smog.
This combination of photos shows the Eiffel tower (R) in central Paris through a haze of pollution taken on March 14, 2014 and during clear weather (L) on August 17, 2012. More than 30 departments in France are hit by maximum level pollution alerts since the day before, prompting Ecology Minister to say air quality was “an emergency and a priority for the government.”
 Before and After photo. Wow, before seing this photo, I had no idea of real gravity of the situation.){kind=link}