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Derpikae t1_j67styi wrote

Why were so many sites found underground? Just structures buried with the passage of time and dirt? Stupid question but yea

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YsoL8 t1_j68006s wrote

4000 or so years of city being continually build on city will do it.

The ground major modern European cities is built on is largely the ruins of old versions of the city.

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Nunya13 t1_j695tzh wrote

I always have trouble wrapping my brain around building cities on top of cities.

When we visited Seattle and took a tour, we went underground and saw all the structures that used to be above ground and were even still used when they rebuilt on top of it all. They even installed lights and glass in the walkways above so daylight would shine through.

It still trips me out to think about how people decide to just build on top of everything.

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