With the detention in Greece of Hong Kong pro-democracy activist Joey Siu and Tibetan activist Tsela Zoksang, and the UK's Foreign and Commonwealth Office recently issuing warnings to UK-based critics of the Chinese regime about where not to travel, this resource from SD might be handy, especially after a new slew of extradition treaties going into effect recently, and moves to suspend agreements with Hong Kong in some, but not all, European countries.