Adobe Lightroom/Lightroom Classic Cloud storage

[finns73888201]

When I click on the cloud in the upper right corner of the screen in Lightroom Classic: Synced, I get a label that says "Cloud Storage". Here I see that I have used 300 Mb of 20 Gb of storage. My problem is that I have no idea what I have saved. Nor how to see what this is. I can find no trace of this either in Lightroom Classic or in Lightroom. Lightroom is empty, and I can't find anything either when I click on the Sky icon in the top left menu in Lightroom.

How can I retrieve what is stored in this cloud service?

[Rob_Cullen]

Do you use Lightroom on any other mobile devices- iPhone, iPad, etc?

I understand that if you ever use Lightroom it will create a catalog (in Cloud storage) and even though there are no photos, the catalog still uses some of the Cloud space.  300MB? - I don't know.

Do you see any photos in Lightroom Web ?   https://lightroom.adobe.com/

[finns73888201]

Lightroom Classic and in Lightroom WEB I now find one image of 30Mb.

[finns73888201]

And the cloud storage now report 270Mb.

[Sean McCormack]

Have a look in the Catalog panel. Is there an 'All Synced Photographs' Collection? 

[finns73888201]

In Lightroom Classic and in Lightroom WEB I now find one image of 30Mb. And the cloud strage now report 270Mb.

[Sean McCormack]

Make sure there are no filters on. 270MB isn't particularly big for a video for example. 

[finns73888201]

I can't find any active filters in Lightroom. In Lightroom Classic in the Catalog panel under "All Synced Photograph" I find only one file (image) of 30 Mb, which is the same file I mentioned earlier.