Glastonbury of old, before they decided that the traps were a bit un-hygenic, you would be greeted with the site of a model version of the pyramid stage in/on the pan and no chance of getting to flush it…or go anywhere near it to be honest.
As an apprentice in a large engineering company some of my fellow pipe fighters were quite adept at leaving hooooge logs for the poor cleaners or next visitor to have to deal with…