Even photos of works in the "public domain" might be protected again, e.g. read about the (in)famous Wikimedia Lawsuit from the German https://en.wikipedia.org/wiki/Reiss_Engelhorn_Museum
Even photos of works in the "public domain" might be protected again, e.g. read about the (in)famous Wikimedia Lawsuit from the German https://en.wikipedia.org/wiki/Reiss_Engelhorn_Museum