A French woman launched a lawsuit against the state of Berlin after she was kicked out for sunbathing topless last year. The new rule is the result of her victory in court.
Berlin clarifies gender equality rules for topless bathing – DW – 03/28/2023
Berlin: Women will be allowed to go topless at the German - THE INTEL DROP
Women allowed to go topless at Berlin public swimming pools, city decides
Alex Geert Castermans in Het Parool on the right to swim topless - Leiden University
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Women in Berlin allowed to go topless in swimming pools, says state government, World News
Berlin to allow everyone go topless while swimming
What happens if you don't have a bathing suit when you want to swim? - Quora