Here in Zürich? Mostly cocaine... https://www.eawag.ch/en/info/portal/news/news-detail/drugs-are-consumed-everywhere-but-not-always-the-same-ones/ https://www.

Here in Zürich? Mostly cocaine... https://www.eawag.ch/en/info/portal/news/news-detail/drugs-are-consumed-everywhere-but-not-always-the-same-ones/ https://www.eawag.ch/en/info/portal/news/news-detail/drugs-a...