May someone help me to solve a mistery?

For instance with this image:

The account of the uploader doesn't exist.

It's strange because I checked it immediately after the uploading.

It's not one image that has this problem, other images of WLM CH 2014 has some uploaders with no account.


Ilario Valdelli
Wikimedia CH
Verein zur Förderung Freien Wissens
Association pour l’avancement des connaissances libre
Associazione per il sostegno alla conoscenza libera
Switzerland - 8008 Zürich
Wikipedia: Ilario
Skype: valdelli
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Linkedin: Ilario Valdelli