Are there objects or locations that need protection? How can you keep them safe during the experience?
Does there need to be a particular number of visitors for the experience to work?
Are there established patterns/trajectories of visitor movement? Can these be changed?
Does the experience change based on available staff or volunteers? When might this happen, and what will the consequences be?
Do visitors expect a calm, contemplative atmosphere? Can this be broken?
How long will your content remain relevant? Can you add new content over time?
How will you understand and engage with opinion on social networks?
How will changes in the weather affect the experience?