Group 1 - Nanjing University of Aeronautics and Astronautics welcomed 5,366 graduate students, 5,152 undergraduate students, and 111 preparatory students across three campuses on August 30 [1] - The university organized a "Family" Open Day event for parents, featuring 51 venues across three campuses, along with model aircraft performances and various campus tour routes [1] - The event aimed to create a connection between new students and the university, emphasizing themes of dreams, heritage, and future aspirations [1] Group 2 - A student named Gama Weise, inspired by a teaching program in Tibet, expressed his dream of designing aircraft that protect the country [2] - Gama Weise's mentor, Yao Yiming, a current PhD student at the university, looks forward to collaborating on research projects with him [2]

Group 1 - The article highlights the life and contributions of Zhang Yanzhong, a prominent figure in China's aviation industry, emphasizing his dedication to national service through aerospace innovation [1][10][15] - Zhang Yanzhong's journey began in his hometown of Sanyuan, Shaanxi, where his early experiences shaped his aspirations to strengthen the nation through aviation [2][5][9] - The narrative details Zhang's educational path, including his groundbreaking studies at Cambridge University, where he developed significant algorithms and solutions in aerospace engineering [9][11] Group 2 - The article discusses the challenges faced by China's aviation industry, particularly the skepticism surrounding the country's ability to produce large aircraft, which Zhang Yanzhong and his team overcame through perseverance and innovation [11][13] - It describes the rigorous testing and certification process for the C919 aircraft, highlighting the extensive efforts of Zhang and his team in extreme weather conditions to ensure safety and performance [13][15] - Zhang Yanzhong's ongoing commitment to the aviation sector is underscored, as he expresses a desire to continue contributing to the industry despite his advanced age [15]