Pink triangle and the LGBT rights movement. In Nazi concentration camps, each prisoner was required to wear a downward-pointing, equilateral triangular cloth badge on their chest, the color of which identified the reason for their imprisonment. Early on, homosexual male prisoners were variously identified with a green triangle (indicating criminals) or red triangle (political prisoners), the number "175" (referring to Paragraph 175, the section of the German penal code criminalizing homosexual activity), or the letter "A" (which stood for "Arschficker", literally "ass fucker"). Later, the use of a pink triangle was established for prisoners identified as homosexual men, which also included bisexual
Pink Triangle Park the persecution of any individual or single group of people damages all humanity." The Castro serves as a LGBT neighborhood for the San Francisco and Bay Areas communities, as well as a tourist destination for its part in modern LGBT history. Pink Triangle Park The Pink Triangle Park is a triangular shaped mini-park located in the Castro District of San Francisco, California. The park is less than 4,000 square feet and faces Market Street with 17th Street to its back. The park sits directly above the Castro Street Station of Muni Metro, across from Harvey Milk Plaza. It is the