The first Polish copyright law act has been enacted in 1926 (although copyright issues have been regulated on territories of partitioned Poland in the 19th century by governments of the German Empire, the Russian Empire and Austro-Hungary, beginning with the 1828 copyright law passed in Tsarist Russia).
Status of those photographs did not change after Polish Copyright Law of February 4, 1994 was enacted.
Series of scientific or artistic pictures lose copyright protection after 50 years.
The copyright act from February 4, 1994 in article 33 point 1 allows the propagation of works that are permanently exhibited on the publicly accessible roads, streets, squares or gardens provided that the propagation is not for the same use.
This use is royalty free, provided that it does not harm the legitimate interests of the creator by article 34.