Pollution in Paris
![Police officers control vehicles along the Seine River in Paris, March 17, 2014.](https://gdb.voanews.com/573e0f51-8ecb-45b2-9fc5-6ba6284ca282_w1024_q10_s.jpg)
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Police officers control vehicles along the Seine River in Paris, March 17, 2014.
![An electronic road sign reads "Road traffic forbidden for even-numbered licence plates" on the Paris ring road, March 17, 2014.](https://gdb.voanews.com/a6c275a1-4640-499d-b5c5-a661acda4911_w1024_q10_s.jpg)
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An electronic road sign reads "Road traffic forbidden for even-numbered licence plates" on the Paris ring road, March 17, 2014.
![Two joggers wearing protective masks run past a police officer at Concorde Square in Paris, March 17, 2014.](https://gdb.voanews.com/cd053f86-f62d-47b0-9c5d-68ca3b6dd1e4_w1024_q10_s.jpg)
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Two joggers wearing protective masks run past a police officer at Concorde Square in Paris, March 17, 2014.
![A general view shows the Centre Pompidou modern art museum and water vapour from a smokestack in Paris, March 17, 2014.](https://gdb.voanews.com/cb2468ec-d387-4213-87de-75783ae4ca1d_w1024_q10_s.jpg)
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A general view shows the Centre Pompidou modern art museum and water vapour from a smokestack in Paris, March 17, 2014.