The search is on...

After a long search around the bottom floor of my university building it has become apparent that there are not many suitable rooms that can be turned into a camera obscura, due to many being either offices or workshops. There is one option to work with a room on the first floor, which has a lower ceiling and would not incur the use of a ladder to black out the room, however more problems have now occurred again due to health and safety procedures. Due to the windows in the university having a seal on them to stop the glass smashing if it is hit, it is not possible to attach anything to the windows, therefore my technique of using boards to black out the room will not be allowed, so it is back to the drawing room....