"Juliana L Holm" kirjoitti
...
One of my favorites is the backpackers note not to wear jeans in europe
sinde
you will be identified as an American. On my last few trips to europe it
seemed everyone was wearing jeans!

I suppose it has been so several decades now. Personally I don't pay
attention to such things. Well, I did recognize this young chap at the
Hannover Hauptbahnhof, who was wandering around wearing pyjamas in early
1980's......