Biosphere 2 lies in the dusty hot desert in Arizona. It was originally designed as a self contained “world” where scientists stayed for an extended period of time. After going through the tour, there’s no way I’d volunteer to spend my time inside. It must have been very difficult being cooped up in one building. The Wikipedia page on the project has a lot more detail about what went on there.
Anyway, the building is very striking to look at, especially as the day was fine and interesting clouds added to the scene.
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It looks like a giant jungle gym from my youth that has been enclosed by windows.
very unique building, sort of looks like a mars colony from a 70s movie.