Photo: Dark clouds cross the sky above Ecuador

822 of 1358

These slightly ominous yet striking clouds are seen above the El Angel Ecological Reserve in Ecuador. The plants you see are Espeletia pycnophylla, which are members of the sunflower family.

Would you like to see your nature photo featured on TreeHugger? Join the TreeHugger Reader Photo Pool on Flickr and add your pictures to the group!

822 of 1358

More Slideshows