| | (Riccardo Milani/AFP/Getty) | Your guide to the baffling world of duty-free shopping Want to beat tariffs on alcohol and beauty products? Try the airport. Trains | (Katty Huertas/The Washington Post; iStock) | (Illustration by Min Heo for The Post) | Buying coffee for strangers makes the airport a little less terrible Random acts of kindness have become an airport ritual for TV host Samantha Brown. Live chat | What’s the best credit card for travel rewards? Ask the Points Guy. The Points Guy founder Brian Kelly will take your questions with travel reporter Natalie Compton during a live chat Thursday, May 8, at 1 p.m. Eastern. From the archive | (Washington Post illustration; iStock) | Europe’s pay-to-pee culture, explained Paying for public toilets is the norm in Europe, but free-bathroom advocates are bringing relief to tourists and locals. Destinations | (Jalen Wright for The Post) | Dyngus Day is the biggest Polish party in Buffalo. If Mardi Gras is a Catholic’s last chance for decadence before 40 days of abstinence, Dyngus Day breaks the fast with a parade, pierogi and plenty of polka music. This year, the dumplings and kielbasa hung from wooden floats. Flirting involved water guns and pussy willows. And there was at least one school bus adorned with Buffalo Bills Zubaz print. Read more about Dyngus Day here. On Instagram | Orlando’s first major theme park to open in more than 25 years will welcome the public May 22. Travel reporter Hannah Sampson — a Florida native and lifelong theme park fan — recently visited Universal Epic Universe for a sneak peek. | Want this newsletter every week? Sign up here. | | | | | |