WBEZ brings you fact-based news and information. Sign up for our newsletters to stay up to date on the stories that matter.A few weeks back we did a segment about AirBn, the travel app which lets you find home and room rentals across the globe. Well, there is a similar, non-commercial service out there for people traveling internationally. It’s called Servas and it is an official U.N. affiliate organization that traces its roots back to 1948. Servas board member Stephanie Downs Hughes and frequent Servas traveler Jesus Valasco joins us to tell us how it works. Photo: Duncan Hughes- Stephanie Downs Hughes (2nd left) with Servas hosts and friends at quiche course of their cooperative’s annual crayfish feast, Stockholm, Sweden.