In the Zagros Mountains of Iran lie some strange, multi-colored glaciers that don’t melt, even in the heat of summer. But, in a rainstorm, these glaciers will start to dissolve away. Hosted by: Stefan Chin SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at http://www.scishowtangents.org/ ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Chris Peters, Matt Curls, Kevin Bealer, Jeffrey Mckishen, Jacob, Christopher R Boucher, Nazara, charles george, Christoph Schwanke, Ash, Silas Emrys, KatieMarie Magnone, Eric Jensen, Adam Brainard, Piya Shedden, Alex Hackman, James Knight, GrowingViolet, Sam Lutfi, Alisa Sherbow, Jason A Saslow, Dr. Melvin Sanicas ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com/ Instagram: http://instagram.com/thescishow ---------- Sources: Waltham 2008 https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1365-2451.2008.00686.x https://sp.lyellcollection.org/content/366/1/229.abstract https://nvlpubs.nist.gov/nistpubs/Legacy/MONO/nbsmonograph167.pdf https://earthobservatory.nasa.gov/images/4168/irans-salt-glaciers https://geology.utah.gov/map-pub/survey-notes/geosights/onion-creek-salt-diapir/ Images: https://commons.wikimedia.org/wiki/File:The_view_of_Dena_from_Semirom_road_-_panoramio.jpg https://commons.wikimedia.org/wiki/File:SaltGlaciers_ZagrosMtns_20010810.jpg https://www.istockphoto.com/photo/amazing-view-on-hubbard-glacier-gm1220570692-357454538 https://commons.wikimedia.org/wiki/File:AS_Salt_Glaciers.jpg https://commons.wikimedia.org/wiki/File:Arabian_Plate_showing_general_tectonic_and_structural_features,_Infracambrian_rift_salt_basins,_and_oil_and_gas_fields_of_Central_Arabia_and_North_Gulf_area_(usgs.gov).png https://earthobservatory.nasa.gov/images/6871/salt-domes-on-melville-island https://commons.wikimedia.org/wiki/File:Salt_dome_Hadi_Karimi.jpg https://www.istockphoto.com/photo/arab-peninsula-on-planet-earth-gm654043058-119269233 https://commons.wikimedia.org/wiki/File:Ken_Leonard_-_Fisher_Towers_-_IMAG0059.JPG https://commons.wikimedia.org/wiki/File:ZagrosMtns_SaltDome_ISS012-E-18774.jpg https://www.istockphoto.com/photo/group-of-trilobites-fossils-gm673219270-123329305