Being loud
Another common mistake is "talking too loudly in public places. It's part of [American] culture and we're not generally aware of it, but it does tend to make us stick out like sore thumbs in restaurants, shops and train cars," Diana Arneson said.
"What would be a conversational volume and tone in the US would sound very loud in France, so please pay attention to not be louder than the people around you in public spaces, restaurants, etc...,"Martin Blanchard added.
[Photo via @irimatic]