"the disorder is caused by positive representations of the city in popular culture, which leads to immense disappointment as the reality of experiencing the city is very different from expectations: tourists are confronted with an overcrowded and littered city ... and a less than welcoming attitude by French hospitality workers like shopkeepers, restaurant and hotel personnel without considering the higher safety risks to which tourists used to safer cities are suddenly exposed."
https://en.wikipedia.org/wiki/Paris_syndrome
"the disorder is caused by positive representations of the city in popular culture, which leads to immense disappointment as the reality of experiencing the city is very different from expectations: tourists are confronted with an overcrowded and littered city ... and a less than welcoming attitude by French hospitality workers like shopkeepers, restaurant and hotel personnel without considering the higher safety risks to which tourists used to safer cities are suddenly exposed."