Really similar to Iron mountain, with more fire suppression. Arguably to protect other buildings from their contents as much as protecting their contents from

Really similar to Iron mountain, with more fire suppression. Arguably to protect other buildings from their contents as much as protecting their contents from time. Nitrate film is extremely flammable. A vault fire from 1978 is covered in some detail here: https://unwritten-record.blogs.archives.gov/2018/12/04/disaster-strikes-the-national-archives-the-1978-nitrate-vault-fire/ https://unwritten-record.blogs.archives.gov/2018/12/04/disas...