![](http://www.alamy.com/thumbs/6/93730FB5-DC65-4A13-91DD-9FA758707624/2CGKEAP.jpg)
Puffball mushrooms cover the forest floor in the humid rainforest of Costa Rica. These puffballs have already expelled their spores.
Size: 5400px × 4320px
Photo credit: © Jon G. Fuller/VWPics / Alamy / Afripics
License: Licensed
Model Released: No
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