Pristina: Amidst a sea of denim shorts, selfies, sequins and thumping bass lines, the setting could easily be mistaken for Coachella or Glastonbury. But Pristina's Sunny Hill Festival is helping to turn Kosovo into Europe's go-to destination for summer festival season, thanks in large part to its founder: Dua Lipa. For years, Kosovo was associated with a bloody war against Serbia that pitted ethnic Albanian rebels against Serbian forces in the late 1990s, killing thousands and triggering a refugee crisis.