Are shit. Oh here is something in a case, here are a few words on it. Oh the person/people you are with is spending to long looking at something/trying to hurry you along. There are too many people. Someone is bumping into you. Don’t walk now, someone is trying to take a shit photo.
Ok you get a few good things but let’s take the best five things from each museum and put them into a super museum which you are allowed to visit once every two years. Job done.