It is an anonymous, pseudonymous or posthumous work and 50 years have passed since the date of its publication
It is a photographic work, and 25 years have passed since the date of its publication
It is another kind of work, and 50 years have passed since the year of death of the author (or last-surviving author)
It is an "official act of authority" and ineligible for copyright protection; however "literary, artistic, or scientific publications produced by the authorities" are copyrighted by the government
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
Captions
Gecamines Luilu refinery Gecamine Lubumbashi republic democratic of congo Renew copyright byvirtue of the Ordinance-Law No. 86-033 of 5 April 1986 on the Protection of Copyright and Neighboring Rights Yannick banza kabimbi 21.05.2020