Lots of promising events coming soon: Paper Art Fest 3 May – 30 June (http://bit.ly/lGdW00), Sofia Science Festival 11-15 May (http://bit.ly/fDobos), Spanish and Ibero-American cinema week 11-15 May (http://bit.ly/jrHxXI), Salon des Arts 11 May – 25 June (http://bit.ly/l8Tavl).
All the more reason for visiting Sofia and Free Sofia Tour 😉