这里的歌声依然嘹亮（铭记历史 缅怀先烈）

Core Viewpoint - The news highlights the historical significance of Yan'an as a revolutionary base and its ongoing cultural and economic development, particularly through the promotion of red tourism and agricultural advancements. Group 1: Historical Significance - Yan'an is recognized as a sacred site of the Chinese revolution, where the Communist Party led significant movements from 1935 to 1948, marking a historical turning point for China [1][3]. - The number of Communist Party members grew from about 50 at its founding to 1.21 million by the time of the Seventh National Congress, reaching over 100 million by the end of last year [3]. Group 2: Cultural and Educational Initiatives - Yan'an has developed 75 on-site teaching points and a training resource pool of over 500 educators to utilize its red resources effectively [4]. - The integration of historical sites with modern educational practices has enriched visitor experiences, making the revolutionary history more accessible and engaging [4]. Group 3: Agricultural Development - The apple industry in Yan'an has seen significant growth, with farmers reporting an average annual income of 19,000 yuan per person from apple cultivation [9]. - The apple industry chain in Yan'an has a total output value of 55 billion yuan, with 39 deep processing enterprises currently operating in the region [9][10]. Group 4: Tourism and Economic Impact - The Jin Yan'an Tourism Resort has attracted over 20 million visitors since its opening in 2019, showcasing the potential of red tourism to drive local economic growth [7]. - The immersive experiences created by recreating historical sites and performances have deepened visitors' appreciation for the sacrifices made during the revolutionary period [7].