Can You Delete a Very Large ‘xxx.fcpbundle’ File That Comes From Final Cut Pro?

I have been using Final Cut Pro for several years. I have made maybe a dozen videos. I now have many (30) ‘xxx.fcpbundle’ files, where ‘xxx’ is something like ‘20190311_1816_PDT (or PST),and 1 that has the Library name (Travel.fcpbundle). All the files, except the Travel file, are between 8MB and 200MB in size. The Travel file is over 788 Gigabytes! Hence the query. Any ideas? Thanks.
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Bill B