This is one of the coolest things I have ever found. (No veelog, sorry. 😅) 
I remember cracking open sandstone rocks as a kid and finding fossils of sea creatures inside. A good way to have fun with a hammer.
It's still fun. I get irrationally excited about rocks, though lol
It's good to have hobbies 🪨👌
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It's a dinosaur vertebrae.
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