: Allow users to add a small caption or question to individual photos (e.g., "Guess where this was taken?"). This turns a static image into a conversation starter, making it easier for others to message you. Activity-Based Photo Tags

Your volunteer guides are the frontline. Give them a simple reporting card (the “Porho Fix Card”) to note:

Porosity refers to the presence of tiny pores or voids within a material. In specialized environments, this can lead to several problems: