We have over 5500 POTD's over the years, see https://commons.wikimedia.org/wiki/Category:Potd_filename_templates . All of these have multiple translations. Let's import these to Commons captions.
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Description
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Got first very rough version working, see https://commons.wikimedia.org/w/index.php?title=File%3AVanGogh-Irises_3.jpg&type=revision&diff=351005775&oldid=188104223