Yellowstone's Morning Glory Pool Is Only Rainbow-Colored Because Of Trash
Morning Glory Pool , a hot spring that quiet bubble in Yellowstone National Park , is famous for its dazzling display of colors , starting with gloomy and dark-green in its heart , before bleed into yellows and crimson oranges at its sharpness . As beautiful as it might depend , its rainbow - like appearance is for the most part due to contamination from human activity . The geothermal pool was named in the 1880s after the purplish - blue efflorescence , owe to its sapphire colour ....