The reason it gets such diverse groups is because it's the best stadium tour in the country, according to Trip Advisor.We did the Stadium Tour a few years ago.
In a group of about ten people, apart from us, there was only one other City fan; a lad from the South-East with his mum.
I don’t remember the background of all the rest, but two were Arsenal fans, and another was a lad from the far east, who followed Bayern.