For weeks, up to ten booked-out tour buses a day left the capital Pristina alone, headed for Serbia. There hasn't been a comparable wave of emigration since 1999, during the Kosovo War. More and more schools are closing because there's a shortage of teachers. Businesses lack customers. Kosovo, with its 1.8 million inhabitants, is considered the poorhouse of Europe. It's home to the youngest population on the continent, and youth unemployment lies at 70 percent.