Upload folders and/or Upload Files already on the server

I need users to give me a bunch of images from their computer, which
will then be displayed in my application. These images will all be in
one folder. Rather than having users upload each image individually, I
want to upload them all at once.

One idea that I came up with is to have them upload a zip file with
the folder and all the images to the blobstore. If I did this, how
would I access each individual image? One possible solution that I
thought of uploading each image to the blobstore after unzipping the
folder. Is this possible?

Another idea is to have them upload the entire folder. Again, how
would I access each individual image?

Any help would be appreciated. Thanks :)

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