The UN International AIDS Conference took place last week in Vienna. When not attending symposia and plenaries and bridging sessions, delegates weren’t left wondering what to do in their spare time – thanks to this spectacularly illustrated ‘When in Wien’ guide featuring Lachlan’s Conn’s modernist cartoons of ring trams and Wiener kaffees. It forms part of the UNAIDS Outlook 2010 report launched in the lead-up to the conference.