（砥砺奋进七十载 天山南北谱华章）静谧的赛里木湖因何变得热闹？

Core Viewpoint - The rapid development of the cultural tourism industry around Sayram Lake has transformed the local economy and cultural interactions among various ethnic groups in the region [2][5][8]. Group 1: Economic Impact - The local herder, Aiydabeik Biye, has transitioned from traditional herding to working in a horse team, significantly increasing his income by 30,000 to 40,000 yuan compared to his previous earnings [4][5]. - The horse team receives an average of 300 to 400 tourists daily during the peak season from June to August, indicating a robust tourism influx [4][5]. Group 2: Cultural Exchange - Sayram Lake has become a cultural exchange platform where different ethnic groups, including Mongolian, Han, Uyghur, and Kazakh, interact and share cultural practices [5][8]. - The traditional Nadam Fair, although relocated, continues to foster cultural activities and performances among various ethnic communities, enhancing the region's cultural richness [5][8]. Group 3: Tourism Statistics - As of September 9, 2023, Sayram Lake has attracted 6.373 million visitors this year, showcasing its growing popularity as a tourist destination [8].