I believe the film studios hire someone to sing the English national anthem, as well, to see if any Englishmen that aren’t caught on camera pop up to join in. It’s a solemn role and the singer gets to retire early on a full pension to recover from the ordeal. There are some other precautions but I can’t remember the details.
They usually show forests or fields in Ireland while most of the scenes in rest of Europe take place in big cities
It’s a legal requirement. Any recording of Ireland has to show that the English aren’t hiding in the bushes.
But even still, you can never be too sure…
I believe the film studios hire someone to sing the English national anthem, as well, to see if any Englishmen that aren’t caught on camera pop up to join in. It’s a solemn role and the singer gets to retire early on a full pension to recover from the ordeal. There are some other precautions but I can’t remember the details.