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This was thought of by the Greeks, it's called 'Theseus paradox'

https://en.wikipedia.org/wiki/Ship_of_Theseus




Even better (especially when talking about things like teleportation), the Roosevelt Birthplace: https://en.wikipedia.org/wiki/Theodore_Roosevelt_Birthplace_...

It was torn down in 1916 and then a replica was built in the same place in 1919.




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