Activity process:
1. Preparatory stage:
- Determine the location of the photo wall, select the appropriate location and layout scheme.
- Formulate publicity plan, including publicity content, form and time node.
- Prepare the materials needed to display the photos, such as picture frames, decorations and promotional materials.

2. Photo collection and arrangement:
- Dedicated photographers within the community provide photos for shooting activities.
- Organize the photos to choose the most representative and reflect the theme.

3. Photo wall production and decoration:
- Fix the selected photo in the appropriate position to form a complete photo wall.
- Design the corresponding decoration and add the club logo of Light and Shadow Club to enhance the visual effect of photo wall.

4. Photo wall display:
- Posted on the wall of Building J.
5. Interaction and Update:
- Update photo wall regularly to keep content current and fresh.

6. Follow-up activities:
- Depending on the needs of the event, this may include selecting the most popular photos, making a souvenir book, etc.

Through this process, photo wall display activities can not only show beautiful moments, but also promote people's communication and sharing, which is a very meaningful cultural activity.