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They say the screw is the remains of an ancient form of technology that proves extra-terrestrials visited Earth millions of years ago.

However, scientists say the ‘screw’ is nothing more than a fossilized sea creature called a .

EDIT: Found a with a very clear picture of that

> They say the screw is the remains of an ancient form of technology that proves extra-terrestrials visited Earth millions of years ago. > However, scientists say the ‘screw’ is nothing more than a fossilized sea creature called a [Crinoid](https://poal.co/static/images/b69da95365cbc9df.png). EDIT: Found a [website](https://www.uky.edu/KGS/fossils/fossil-of-the-month_2022-12_crinoid-holdfasts.php) with a very clear picture of that [fossilized sea creature](https://poal.co/static/images/1a1b1b67efc9d977.jpg)

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[–] • 0 pt

That said, I think we're probably not Earth's first civilization. Probably not even it's second or third.

I member watching a video theorizing on "If humanity ceased to exist tomorrow, how long would it take for all traces to disappear?"

IIRC they mentioned something like 100,000 years, which is insignificant compared to the age of earth (4.7B years)

[–] • 1 pt

If there is dense foliage like the Amazon, it can be grown over so that even large cities and pyramids would blend into the area (being covered by trees) in less than 100 years.

[–] • 1 pt

Covered, but unlike ancient constructions made out of large stones, limestone and marble, modern constructions are using (composite) materials that wouldn't last more than a few hundreds years before starting to disintegrate, especially when soaked with humidity.

Look at Chernobyl site. It took only 50 years for the buildings in the exclusion zones to fall apart.

[–] • 1 pt

With the shit quality that goes into the newest of buildings, those would be the first to dissolve into nothing.