Limestone is a common type of sedimentary rock which I find uncommonly interesting! It’s mostly calcium carbonate, which is also what eggshells 🥚, seashells 🐚, and pearls 🦪 are made out of.

In places where it rains a lot, limestone erodes easily, which results in simply gorgeous landscapes such as:

Hạ Long Bay in Vietnam

Tsingy de Bemaraha National Park in Madagascar

The Li River in China

Additionally, the world’s longest (Mammoth) and deepest (Veryovkina Krubera is once again the world’s deepest cave, thank you to SockOlm for pointing that out) cave systems are both found in limestone formations

Mammoth Cave in the United States

Veryovkina Cave in Georgia/Abkhazia/Russia (disputed territory)

image sources

Thumbnail https://commons.m.wikimedia.org/wiki/File:ElTorcal0408.jpg#mw-jump-to-license

Hạ Long Bay https://commons.m.wikimedia.org/wiki/File:Halong_Bay_in_Vietnam.jpg#mw-jump-to-license

Tsingy de Bemaraha National Park https://commons.m.wikimedia.org/wiki/File:Tsingy_de_Bemaraha.jpg#mw-jump-to-license

Li River https://commons.m.wikimedia.org/wiki/File:Li-Flussfahrt-160-Huegel-2012-gje.jpg#mw-jump-to-license

Mammoth Cave https://commons.m.wikimedia.org/wiki/File:Mammoth_Cave_Rotunda_(USGS_Lwt02830).jpg#mw-jump-to-license

Veryovkina Cave https://commons.m.wikimedia.org/wiki/File:Veryovkina_cave._Babatunda_pit.jpg#mw-jump-to-license

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    • AntifaSuperWombat [she/her]@hexbear.netEnglish
      13·
      2 days ago

      At least you’re smart enough to wear one. Earlier in my transition, when I was still somewhat masc presenting, I once had the glorious idea of going on a hike without one, because it was really hot outside.

      The top of the mountain was quite crowded and while I was enjoying the view, I started to notice that the people there were looking at me in a funny way, especially the children. At the time I thought it was because I was wearing a headband to keep my hair at bay, which made me look very feminine for a “man”. Until I saw the photos afterwards…

      You could see EVERYTHING! distress 2 little boobs poking out of my shirt in all their feminine glory.

      I never realized until then how visible they were, because of them growing so slowly. But after giving those people a little genderfuckery show, I started taking my mom’s advice of wearing bras more seriously.