Three human rights activists went on trial Wednesday in Poland for alleged desecration and offending religious sentiment by adding the LGBT rights movement's rainbow symbol to posters of a revered Roman Catholic icon and publicly displaying the altered image, including on garbage bins and mobile toilets.The activists have said they created posters that used rainbows to replace the halos in the icon of the Black Madonna and baby Jesus to protest what they saw as the hostility of Poland’s influential Catholic Church toward LGBT people.One of the defendants, Elzbieta Podlesna, said in court Wednesday that their 2019 action in Plock was spurred by an installation at the city's St.