It’s not just photos you can displayDo you organize a running event or bike race?
Why don’t you print a large scale maps and present all necessary information in a clear way so that everyone knows what to do?
Would you like to introduce your new product on a trade show?
Why don’t you present the whole development from the first prototype to the final product - so that everyone can see how far you got?
Are you an architect and do you want to present your work to the public?
Can you think of better promotion?