Invention on Instagram: "The Matanuska Glacier in Alaska is one of the most accessible and breathtaking glaciers in the United States. Its vivid blue ice and vast crevasses draw countless visitors each year who want to experience its frozen beauty up close. Beneath that calm surface, however, the glacier hides extreme dangers that are often invisible to the eye. Meltwater pools can be deceptively deep, some reaching over one hundred feet, and the ice beneath can be unstable. When temperatures ri