freshphotons:“Many freeze-thaw cycles over several days caused ice to form and recede, leaving ridges that resemble contour lines.” -Mary Anne White

freshphotons:“Many freeze-thaw cycles over several days caused ice to form and recede, leaving ridges that resemble contour lines.” -Mary Anne White

tags: That guy, from FF,

from: https://0nigum0.tumblr.com/post/701980155776761856