This is the additional weekly image thread for the Nature Forum. While images posted to this thread should still be nature in theme, it may contain a small amount of human-made objects and therefore less restricted than the Monday in Nature threads. Please see this discussion for more details: Alternative weekly thread in Nature forum Each participant please post no more than just one image per weekly thread. Many members will appreciate any information you are willing or able to provide regarding location, shooting process, exposure settings, equipment, and information on the subject(s), including scientific and/or common names. Vignette of thermophile colors in a Yellowstone hot spring.