ShoutOut Not my experience in Germany - outside main tourist areas, the mere fact of being an English person speaking some German has meant loads of people being delighted to speak to me in German. They all apologise for not having spoken any English since leaving school.
As opposed to French people who wince at my accent (or worse, DP's excruciating accent) and launch into English to try to shut him up.
Thinking back to the UK, my first job after a lovely middle-class upbringing mainly in Surrey, was being a youth worker supervising "young people known to the police", for all sorts of reasons such as neglectful parents to 17yos with convictions for GBH, for a summer in inner London. Boy was that a culture shock - the constant loud music, constant shouting, how the teenagers were constantly getting into physical fights, even the ones without criminal records, the fact that bright 14yos had never heard of a university or that anyone might stay in education after 18, the bright lad whom I eventually found out could not read nor write enough to fill in a form saying 'Name, Address, Date of Birth', the prevalence of kebab and chicken shops locally, the inability of most of the kids to argue in words without hitting each other, and did I mention the constant loud crap music? One kid who sticks in my mind was a nightmare, until one of the police organisers told me he was really, really desperate for attention. He told me just to nod or say hello when I wandered past, a couple times a day. Within a week this 12yo was practically like a puppy at my heels. 
Obviously nowadays anyone I tell about it is shocked that I was dropped in there with my entire training being 5 minutes on how to separate fighting kids (pull their ears) and to shout for help when anyone pulled a knife. I now live about 2 miles away and the differences aren't so obvious.
Now I've travelled much more of the UK but you can really tell when you've left London for work, as meeting catering changes from platters of meat, fish, and veggie sandwiches plus fruit plus nibbles, to plates of ham sandwiches, maybe a few cheese ones, crisps and sausages and pork pies.