![7 The Grand Prismatic Spring in Yellowstone National Park, the largest hot spring in the United States. [google map] (© Jason Hawkes) # (via Human landscapes from above - The Big Picture - Boston.com
)](http://28.media.tumblr.com/RyzUS080Omx2za1wcvEKnHFMo1_400.jpg)
7 The Grand Prismatic Spring in Yellowstone National Park, the largest hot spring in the United States. [google map] (© Jason Hawkes) # (via Human landscapes from above - The Big Picture - Boston.com
)
Roukyourworld
7 The Grand Prismatic Spring in Yellowstone National Park, the largest hot spring in the United States. [google map] (© Jason Hawkes) # (via Human landscapes from above - The Big Picture - Boston.com
)
