Brings back a range of memories. I was one of the archaeologists on the project near the Amsterdam central station, a dig site accessible through an airlock because it was inside of the "caisson" (https://en.wikipedia.org/wiki/Caisson_(engineering)) that was lowered into the old Amstel riverbed. It was the weirdest archaeological project I have participated in, by quite a wide margin, being inside a complex engineering project.

Also, after making a career switch from archaeology to software engineering, even weirder to see my former occupation and project dig site re-emerge here on HN