In the book “The World Without Us” the author states that old steel bridges would be among the last human made structures left thousands of years after humas have dissapeared for the reason that they didn’t have strenght calculations back then which they solved by simply overbuilding everything.
In the book “The World Without Us” the author states that old steel bridges would be among the last human made structures left thousands of years after humas have dissapeared for the reason that they didn’t have strenght calculations back then which they solved by simply overbuilding everything.
The concept for the book is such a cool one.
In case you’re curious about what would be the last remaining structures left on earth after everything else has been ground to dust:
spoiler
Channel tunnel between England and France and the stone faces on Mount Rushmore.