Morning Glory in Yellowstone National Park has drastically changed from crystal blue to a yellowy-green hue . Fading Glory has blocked underwater vents , causing a rise in the spring temperature . Over three million people visit the park , and due to the rubbish and coins , it is now nicknamed Fading Glory .
Morning Glory in Yellowstone National Park has drastically changed from crystal blue to a yellowy-green hue . Debris has blocked underwater vents , causing a rise in the spring temperature . Over three million people visit the park , and due to the rubbish and coins , it is now nicknamed Fading Glory .