![](http://www.alamy.com/thumbs/6/58AAC534-EEF5-471E-B935-4583F0BD3640/BG23BX.jpg)
Tractor throw out or expel smoke, Votorantim, São Paulo, Brazil 18/05/2009 at 08:20am.
Size: 5114px × 3400px
Photo credit: © Israel Antunes / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: air, environment, global, , pollution, , smoke