Originally, I'm from de:Wikipedia where I'm active since 2004 as Benutzer:Matt1971 (changed name/account to Mattes and to Mateus2019).
I have made 17,433 uploads as Mattes and 1,000+ uploads as Mateus2019 as of 2021-05-08 which amounts to 18,253. These files are either taken by myself in one of five continents or scanned or from third party sources. 15,247 files uploded by Mattes and 774 uploaded by Mateus2019 are used in Wikimedia projects as of 2020-09-28 which amounts to 16,021 files. (more on uploads in Wikmedia projects) (more on usage of my files in external pages)
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