【风物郑州】蝶湖公园：一湖蝶变看今昔

Core Viewpoint - The article highlights the transformation of Diehu Park in Zhengzhou, showcasing its ecological improvements and becoming a popular recreational area for residents and visitors [3][6][11]. Group 1: Park Overview - Diehu Park, also known as Caogusi Reservoir, was established in 1968 and completed in 1971, primarily for flood control and agricultural irrigation [3]. - The park underwent significant ecological enhancement starting in 2015, leading to its current form, with water quality improving from surface class V to class III by 2020 [3][10]. - The park's design resembles a butterfly, symbolizing the area's aspiration for transformation and growth [5]. Group 2: Ecological and Recreational Aspects - Diehu Park has become a popular destination, attracting large crowds on weekends and holidays, and is often referred to as an "oxygen bar" in the urban environment [2][6]. - The park features various attractions, including a sandy beach, a new landmark "Ring Bridge," and ancient structures, enhancing the visitor experience [8][10]. - The ecological improvements have fostered a better habitat for aquatic life, leading to the discovery of new species [8][10]. Group 3: Historical Significance - The park is home to a 1200-year-old ginkgo tree located near the historic Fayun Temple, which has been designated as a protected ancient tree [11]. - Fayun Temple's history dates back to the Northern Song Dynasty, with its establishment linked to a royal princess, adding cultural depth to the park [11].