Limestone, friend or foe?
Thanks to popular movies, we know skulls are often associated with scary scenarios; for example, they can be used as ornaments in evil rituals and as pirates’ symbols. Skulls evoke horror because it implies death. What would you do if what you thought was a rock turned out to be a skull sticking out from the ground?
What if you find this skull covered in limestone? I guess that if you are trypophobic, you will run away. If you are not, you should know limestone is a rock used in construction to make cement, glass, and paint; in the pharmaceutical industry, as a calcium supplement; and to make paper, jelly, and a sanitizer, among other things. Ka-ching!