Images via: (clockwise from top) 
“Mendenhall Glacier – Juneau, Alaska” by Robert Raines (cropped from original), “Perito Moreno” by Rachel Hobday (cropped from original), “Portage Glacier” by Antti T. Nissinen, 
“Hubbard Glacier Alaska” by Bernard Spragg. NZ (cropped from original), “Glacier Cave, Fox Glacier” by karlnorling, “IMGP1584” by gmg_zero3 (cropped from original), “Aialik Glacier” by Kimberly Vardeman (cropped from original)
