1. Sports Competition: Nanshao Stadium may be the venue for holding various student sports competitions, such as football, track and field, basketball, etc. Students are usually very interested in participating in and watching these competitions.
2. Inter-school competition: Nanshao Gymnasium may be the venue for inter-school competition, and students from all schools will come to support their teams.
3. Celebrations: The school may hold celebrations in Nanshao Stadium, such as the opening ceremony and sports meeting. These activities are important social and cultural experiences for students, thus attracting many students to participate.
4. Fitness activities: Nanshao Stadium may hold various fitness activities, such as fitness competitions, fitness exhibitions and fitness lectures. Students are very concerned about keeping healthy and doing sports, so they are willing to take part in these activities.
It should be noted that what activities are held and why they attract so many students depends on the school, region and specific situation where Nanshao Stadium is located. These are just some possible reasons, and the specific situation may vary from region to region and time.