Group 1 - The core viewpoint of the articles highlights the transformation of educational travel in Shandong from a focus on tourism to a balanced approach of learning and travel, and eventually to a model where learning dictates travel choices [1][2] - The summer of 2023 has seen a peak in educational travel in Shandong, with parents increasingly prioritizing the educational value of these experiences for their children [2][4] - Various educational programs are being developed that incorporate interactive and immersive experiences, moving away from traditional lecture-based formats to more engaging and task-oriented activities [3][4] Group 2 - The number of students participating in red-themed educational activities has significantly increased, with over 21,000 students visiting the Red Sister's hometown tourism area this summer [3][4] - Educational travel products are diversifying, with offerings that include cultural, natural science, and industrial themes, reflecting a broader integration of local historical and cultural resources [4][5] - The economic impact of educational travel is notable, with Qingzhou receiving over 600,000 visitors and generating more than 80 million yuan in consumption in the first half of the year [4]