The connection is that they are both tourist attractions that were negatively impacted by photography during my visits. Regarding the Sistine Chapel - you're r

The connection is that they are both tourist attractions that were negatively impacted by photography during my visits. Regarding the Sistine Chapel - you're right, photography is not allowed and I overrepresented the flashes when grouping it in with the Mona Lisa. But during my 5 minute visit I saw 3 different flashes and heard 3 different exclamations from Vatican staff "No pictures!", which was plenty disruptive.