CORRECTION - This photo taken on April 9, 2016 shows a cyclist making his way along a street filled with white pollen falling from catkin-bearing trees as the return of pleasant weather marks the arrival of the allergy season in Beijing. / AFP PHOTO / FRED DUFOUR / The erroneous mention[s] appearing in the metadata of this photo by FRED DUFOUR has been modified in AFP systems. Please immediately remove the erroneous mention[s] from all your online services and delete it from your servers. If you have been authorized by AFP to distribute it (them) to third parties, please ensure that the same actions are carried out by them. Failure to promptly comply with these instructions will entail liability on your part for any continued or post notification usage. Therefore we thank you very much for all your attention and prompt action. We are sorry for the inconvenience this notification may cause and remain at your disposal for any further information you may require.FRED DUFOUR/AFP/Getty Images