Austria Tightens Borders As Refugees Pour In Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email Migrants board a train to Munich at Vienna's Westbahnhof railway station in the early hours of September 1, 2015. ( JOE KLAMAR/AFP / Getty ) Produced by Mythili Rao Hosted by Todd Zwillich Produced by PRI and WNYC