It’s the first day of summer and #berlinreopens is trending, but are tourists coming back? And what about international travel? Host Soraya Sarhaddi Nelson explores how the pandemic has changed the way we vacation and the kinds of summer travel we can expect. Her guests are: Christian Tänzler, spokesman for visitBerlin, the city’s official tourism service; Volker Adams, head of government affairs at the German Travel Association; and Nicky Gardner, travel writer and editor of Hidden Europe magazine and co-author of “Europe by Rail.”This show is produced by Dina Elsayed.