Global circulation of Earth's atmosphere displaying Hadley cell, Ferrell cell and polar cell.
<a href="//commons.wikimedia.org/wiki/User:Kaidor" title="User:Kaidor">Kaidor</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span> based on <a href="//commons.wikimedia.org/wiki/File:NASA_depiction_of_earth_global_atmospheric_circulation.jpg" title="File:NASA depiction of earth global atmospheric circulation.jpg">File:NASA depiction of earth global atmospheric circulation.jpg</a>