Berlin - vacationing with a tourist from VietnamVu Thi Thu Tra from Hanoi is enthusiastic about Germany. We met up with her in Berlin and she took us on whirlwind tour of some of her favorite sites, including Alexanderplatz and the Olympic Stadium.https://p.dw.com/p/H0pJVu Thi Thu Tra at the AlexanderplatzAdvertisement