Original: The biggest green area in Chojnów is small forest Park Piastowski (Piast's Park), which was named after the Piast dynasty as part of Communist anti-German propaganda upon its annexation to Poland according to the Potsdam Conference.
Simplified: The biggest green area in Chojnów is small forest Park Piastowski (Piast's Park), named after Piast dynasty as part of Communist anti-German propaganda.