Are you facing the problem of having a large .thumbnails folder in the the DCIM folder in the android.This is actually an error and android automatically creates the folder with files that show a very large size wheras actually they are not.This might create problems if you are backing up your files to the cloud account as dropbox or google drive
Here is a simple fix for the problem that worked for me and I am posting it here
Simply delete the .thumbnails folder and in place of it create a empty file named .thumbnails using a text editor app.
This worked for me and the problem was resolved.
That is all.
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