LONELY PLANET'S OFFICIAL GUIDEBOOK INFORMATION
Dangers & Annoyances
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The Swiss are relatively rule-oriented, and street crime is fairly uncommon. However, you should still always watch your belongings; pickpockets thrive in city crowds. The Swiss police aren’t very visible, but when they do appear, they have a poor reputation for their treatment of people of non-European descent or appearance, with some suggesting that they perform random street searches of questionable necessity and so on.
Several cities, such as Zürich and Bern, have a heroin problem, but these days you generally have to be way off the main thoroughfares to notice it.
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